How to read synastry chart?

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How do you know if a relationship will last, or if it will even begin? When consulting astrology about a romantic relationship, most people want to know if it will develop into a significant, long term union. The underlying question is, “What kind of an impact will I have on the other person?” While there are no guarantees, the following are what I believe to be the top five synastry aspects which strongly indicate that a serious relationship will develop. All five don’t have to be present, but the more aspects there are, the stronger the draw is between two people.

The Chart Rulers of Each Person Aspect Each Other

The rising sign represents a person’s interaction with the outside world. The planet that rules the rising sign (the chart ruler) shows how they express this interaction, and a connection between the chart rulers of two people is the hook that draws them together.

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More Posts on Synastry:

  • Nodes in Synastry: An Introduction
  • Black Moon Lilith in Synastry
  • Moon-Mars Aspects in Synastry
  • Rethinking Venus-Saturn in Synastry

Compatibility Analysis

Romantic compatibility analysis:

Synastry & Relationship Astrology

Back to Synastry Main Page

On our main Synastry page, we offered an overview of considerations for compatibility. On our House Overlays page, we examine person A’s planets in person B’s houses, and vice versa. On our More on Synastry page, we explore more Synastry details and compatibility factors. On our Synastry Books Compared page, we reveal our favorite books on relationship astrology, and why we like them. On this page, we will explore some key interchart aspects and positions to look for when comparing two charts, from a romantic perspective.

It is easy to feel overwhelmed when we attempt to compare two natal charts of people involved in a romantic relationship or of a potential relationship. We suddenly have two charts to analyze instead of one, comparisons to make, and many astrologers (including myself) will draw up a composite chart as well.

Some astrologers have put together score sheets that help students of astrology organize their findings and come to an overall “judgment”. I have always skipped past score sheets, simply because it didn’t feel right for me to tally up points for and against compatibility. Similarly, I am not overly fond of score sheets that weigh such things as elements and qualities, preferring to work in a more intuitive manner.

For example, most chart calculation programs will tally up the number of planets placed in the elements (Fire, Earth, Air, and Water) for a given natal chart. With my natal chart, I would get the following tally: Fire 5, Earth 3, Air 1, Water 2. That would make me largely a Fire-Earth personality. I cannot agree with that! For one thing, although I do have two personal planets in Fire (Venus and Mars), and my Ascendant is Fire as well, the other two Fire points come from Jupiter and Saturn in Fire signs (these are not personal planets). I do not have a predominantly Fire personality. People who know me wouldn’t consider me as fiery, except perhaps those who know me intimately (Venus and Mars in fire). Although my Ascendant is Fire, Saturn is conjunct the Ascendant, which has the effect of toning down the fire element, and (in my opinion) adds an Earthy emphasis. Some astrologers will assign more points to the Sun, Moon, and Ascendant, which makes a lot of sense. If I gave these three points 2 points each, and the others 1, I would arrive at this tally: Fire 6, Earth 4, Air 1, Water 3. Not much different! I still would be considered a Fire-Earth personality. Factors such as Uranus conjunct the Sun, Saturn rising, Moon in a water sign conjunct the Ascendant from the 12th house—all of which have a strong influence on the personality—are not incorporated into these tallies.

However, I have come to the conclusion that, if taken with a grain of salt, score sheets can be useful for organizing one’s thoughts and for honing in on the more “weighty” factors in an analysis.

Consequently, I have devised my own romantic compatibility “score sheet”, but I feel the need to list all sorts of disclaimers at the same time! We should never underestimate our intuition when we read charts. By intuition, I mean the general “feel” we get from a chart we are studying.

There are always exceptions to the rules. In fact, there are no set “rules” in the first place—there are only systems. Every astrologer has to be taught somehow, whether it is through face-to-face instruction or through books, but most will use the systems they were taught and refine them, ending up with their own modified systems.

What follows are a large number of compatibility factors in synastry (that is, comparison of one chart to another chart), weighted with numerical values 4, 3, 2, 1, -1, -2, -3, and -4. Note that the following aspects and positions are NOT those found in individual natal charts. They are chart-to-chart (or interchart) aspects and positions.

None of these weights are absolute. I offer these as a general guideline only. For example, Mercury conjunct, sextile, or trine Mercury is given a weight of +2. However, it may be more relevant when the individuals involved are Mercurial by nature, or have Mercury in the 7th house (indicating that Mercury is especially important in relationships to that particular person). Perhaps for a Mercurial person, it should be assigned more weight. There are other factors that are important that are not listed here. What of an overlay of Venus in the other’s 5th house, for example? I have not included everything here—if I did, the list would be even longer than it already is (!) and perhaps unwieldy.

Note: You do not have to actually tally up points. The points definitely help in that they assign relative weights to different factors, but another way of approaching this system is to take note of how many positions fall in each category. Note the following:

It is desirable to have:

  • At least one combination in the Strongest Compatibility (weight 4) category
  • At least 4 or 5 in the Very Strong Compatibility (weight 3) category
  • Zero or at most 1 in the Red Alert (weight -4) category
  • At most 3 in the weight -3 category
  • At least 3 but no more than 7 in the weight -2 category

Remember that some categories will be counted twice, when couples have similar aspects or positions going both ways. For example, my Sun might sextile your Mars, and your Sun might trine my Mars. Therefore we get 3 points two times over.

This list is provided twice, in two different ways. The first list organizes the aspects and positions by weight, and the second list is one that is arranged more intuitively so that it is easier to use if you are going to actually tally up scores. (Some of the items are clickable for an interpretation).

Strongest Compatibility in Synastry (weight 4)

Sun conjunct Descendant 4
Sun conjunct or opposition Vertex 4
Sun conjunct North Node 4
Sun hard aspect (conjunct, semi-square, square, opposition) Sun/Moon midpoint 4
Sun in 7th house 4
Moon conjunct Descendant 4
Moon conjunct or opposition Vertex 4
Moon conjunct North Node 4
Moon hard aspect (conjunct, semi-square, square, opposition) Sun/Moon midpoint 4
Ascendant conjunct North Node 4

Very Strong Compatibility Factors in Synastry (weight 3)

Sun trine or sextile Sun 3
Sun conjunct, trine, or sextile Moon 3
Sun conjunct Venus 3
Sun trine Venus 3
Sun trine or sextile Mars 3
Sun conjunct, sextile, or trine Jupiter 3
Sun sextile or trine Saturn 3
Sun conjunct, trine, or sextile Chiron 3
Sun conjunct Ascendant 3
Sun conjunct South Node 3
Sun in 1st house 3
Moon conjunct, sextile, or trine Moon 3
Moon conjunct, sextile, or trine Venus 3
Moon sextile or trine Mars 3
Moon conjunct, sextile, or trine Jupiter 3
Moon sextile or trine Saturn 3
Moon conjunct, trine, or sextile Chiron 3
Moon conjunct Ascendant 3
Moon sextile or trine Ascendant 3
Moon conjunct IC 3
Moon conjunct South Node 3
Moon in 7th house 3
Moon in 1st house 3
Mercury conjunct, sextile, or trine Jupiter 3
Venus conjunct, sextile, trine, or opposition Venus 3
Venus conjunct, sextile, or trine Mars 3
Venus conjunct Jupiter 3
Venus sextile or trine Saturn 3
Venus conjunct, trine, or sextile Chiron 3
Venus conjunct Ascendant 3
Venus conjunct Descendant 3
Venus hard aspect (conjunct, semi-square, square, opposition) Sun/Moon midpoint 3
Venus in 7th house 3
Mars hard aspect (conjunct, semi-square, square, opposition) Sun/Moon midpoint 3
Ascendant conjunct South Node 3
Ascendant hard aspect (conjunct, semi-square, square, opposition) Sun/Moon midpoint 3
Ascendant in 7th house 3
Vertex hard aspect (conjunct, semi-square, square, opposition) Sun/Moon midpoint 3
Nodes of the Moon conjunct IC/MC 3

Good Compatibility Factors in Synastry (weight 2)

Sun opposition Sun 2
Sun opposition Moon 2
Sun conjunct Mercury 2
Sun sextile or trine Mercury 2
Sun sextile Venus 2
Sun conjunct Mars 2
Sun sextile or trine Uranus 2
Sun sextile or trine Ascendant 2
Sun conjunct IC 2
Sun sextile or trine Nodes of the Moon 2
Sun square Nodes of the Moon 2
Moon conjunct, sextile, or trine Mercury 2
Moon sextile or trine Uranus 2
Moon sextile or trine Neptune 2
Moon sextile or trine Pluto 2
Moon trine or sextile Nodes of the Moon 2
Moon square Nodes of the Moon 2
Mercury sextile, conjunct, or trine Mercury 2
Mercury conjunct, sextile, or trine Venus 2
Mercury sextile or trine Mars 2
Mercury conjunct the Ascendant 2
Mercury conjunct the Descendant 2
Mercury conjunct IC or MC 2
Venus square or opposition Mars 2
Venus trine or sextile Jupiter 2
Venus conjunct Saturn 2
Venus sextile or trine Uranus 2
Venus conjunct Neptune 2
Venus trine or sextile Neptune 2
Venus conjunct, trine or sextile Pluto 2
Venus sextile or trine Ascendant 2
Venus conjunct IC or MC 2
Venus conjunct or opposition Vertex 2
Venus in aspect to Nodes of the Moon 2
Venus in 1st house 2
Mars conjunct, sextile, or trine Mars 2
Mars in aspect to Jupiter 2
Mars conjunct, trine, or sextile Pluto 2
Mars conjunct, sextile, or trine the Ascendant 2
Mars conjunct the Descendant 2
Mars conjunct or opposition Vertex 2
Jupiter in aspect to Jupiter 2
Jupiter conjunct the Ascendant 2
Jupiter conjunct the Descendant 2
Jupiter conjunct or opposition the Vertex 2
Jupiter in 7th house 2
Ascendant sextile or trine Ascendant 2
Ascendant opposition Ascendant 2
Ascendant trine or sextile Nodes of the Moon 2
Ascendant square Nodes of the Moon 2
Vertex conjunct either Node of the Moon 2

Helpful Compatibility Factors in Synastry (weight 1)

Sun conjunct Sun 1
Sun square or opposition Jupiter 1
Sun sextile or trine Neptune 1
Sun conjunct, sextile or trine Pluto 1
Moon opposition Moon 1
Moon square or opposition Venus 1
Moon square or opposition Jupiter 1
Moon conjunct Neptune 1
Moon conjunct Pluto 1
Mercury square or opposition Jupiter 1
Mercury sextile or trine Saturn 1
Mercury in aspect to Uranus 1
Mercury in aspect to Neptune 1
Mercury in aspect to Pluto 1
Mercury sextile or trine Ascendant 1
Mercury conjunct or opposition Vertex 1
Mercury in aspect to Nodes of the Moon 1
Venus square Venus 1
Venus square or opposite Jupiter 1
Venus conjunct Uranus 1
Venus square Ascendant 1
Mars sextile or trine Saturn 1
Mars sextile or trine Neptune 1
Mars conjunct, sextile, or trine Uranus 1
Mars in aspect to Nodes of the Moon 1
Jupiter conjunct, sextile, or trine Saturn 1
Jupiter in aspect to Uranus 1
Jupiter conjunct, sextile, or trine Neptune 1
Jupiter conjunct, trine or sextile Pluto 1
Jupiter sextile, trine, or square Ascendant 1
Jupiter in aspect to the Nodes of the Moon 1
Saturn sextile or trine Saturn 1
Saturn sextile or trine Ascendant 1
Pluto conjunct Descendant or Vertex 1
Ascendant conjunct Ascendant 1

Very Challenging Factors in Synastry – Red Alerts (weight -4)

Moon square Saturn -4 Red Alert
Mercury square Mercury -4 Red Alert
Venus square Saturn -4 Red Alert
Mars square or opposition Saturn -4 Red Alert

Challenging Factors in Synastry (weight -3)

Sun square Moon -3
Moon square Moon -3
Moon square Mars -3
Moon conjunct or opposition Saturn -3
Moon square or opposition Neptune -3
Moon square or opposition Pluto -3
Mercury square or opposition Neptune -3
Venus opposition Saturn -3
Venus square or opposition Neptune -3
Mars conjunct Saturn -3
Mars square or opposition Pluto -3
Uranus conjunct Descendant or Vertex -3

Somewhat Challenging Factors in Synastry (weight -2)

Sun square Sun -2
Sun square or opposition Mars -2
Sun conjunct, square or opposition Saturn -2
Sun conjunct, square, or opposition Neptune -2
Sun square or opposition Pluto -2
Sun square Ascendant -2
Moon square or opposition Mercury -2
Moon opposition Mars -2
Moon square or opposition Uranus -2
Moon square Ascendant -2
Mercury opposition Mercury -2
Mercury square or opposition Mars -2
Mercury conjunct, square, or opposition Saturn -2
Venus square or opposition Uranus -2
Venus square or opposition Pluto -2
Mars square or opposition Mars -2
Mars square or opposition Uranus -2
Mars conjunct, square, or opposition Neptune -2
Saturn conjunct, square or opposition Ascendant -2
Saturn conjunct or opposition Vertex -2
Saturn conjunct or square Nodes of the Moon -2
Neptune conjunct Descendant, Ascendant, or Vertex -2
Ascendant square Ascendant -2

Minor Challenges in Synastry (weight -1)

Sun square or opposition Mercury -1
Sun square or opposition Venus -1
Sun conjunct, square or opposition Uranus -1
Moon conjunct Mars -1
Moon conjunct Uranus -1
Mercury square or opposition Venus -1
Mercury conjunct Mars -1
Mercury square Ascendant -1
Mars square Ascendant -1
Jupiter square or opposition Saturn -1
Jupiter square or opposition Neptune -1
Jupiter square or opposition Pluto -1
Saturn square or opposition Saturn -1

Printer-Friendly version of the above categories.

This exact same list is offered below in a more logical sequence for those willing to tally up the points:
Sun conjunct Sun 1
Sun trine or sextile Sun 3
Sun square Sun -2
Sun opposition Sun 2
Sun conjunct, trine, or sextile Moon 3
Sun square Moon -3
Sun opposition Moon 2
Sun conjunct Mercury 2
Sun sextile or trine Mercury 2
Sun square or opposition Mercury -1
Sun conjunct Venus 3
Sun trine Venus 3
Sun sextile Venus 2
Sun square or opposition Venus -1
Sun conjunct Mars 2
Sun trine or sextile Mars 3
Sun square or opposition Mars -2
Sun conjunct, sextile, or trine Jupiter 3
Sun square or opposition Jupiter 1
Sun sextile or trine Saturn 3
Sun conjunct, square or opposition Saturn -2
Sun sextile or trine Uranus 2
Sun conjunct, square or opposition Uranus -1
Sun conjunct, square, or opposition Neptune -2
Sun sextile or trine Neptune 1
Sun conjunct, sextile or trine Pluto 1
Sun square or opposition Pluto -2
Sun conjunct, trine, or sextile Chiron 3
Sun conjunct Ascendant 3
Sun sextile or trine Ascendant 2
Sun square Ascendant -2
Sun conjunct Descendant 4
Sun conjunct IC 2
Sun conjunct or opposition Vertex 4
Sun conjunct North Node 4
Sun conjunct South Node 3
Sun sextile or trine Nodes of the Moon 2
Sun square Nodes of the Moon 2
Sun hard aspect (conjunct, semi-square, square, opposition) Sun/Moon midpoint 4
Sun in 7th house 4
Sun in 1st house 3

Moon conjunct, sextile, or trine Moon 3
Moon square Moon -3
Moon opposition Moon 1
Moon conjunct, sextile, or trine Mercury 2
Moon square or opposition Mercury -2
Moon conjunct, sextile, or trine Venus 3
Moon square or opposition Venus 1
Moon conjunct Mars -1
Moon sextile or trine Mars 3
Moon square Mars -3
Moon opposition Mars -2
Moon conjunct, sextile, or trine Jupiter 3
Moon square or opposition Jupiter 1
Moon sextile or trine Saturn 3
Moon square Saturn -4
Moon conjunct or opposition Saturn -3
Moon conjunct Uranus -1
Moon sextile or trine Uranus 2
Moon square or opposition Uranus -2
Moon conjunct Neptune 1
Moon sextile or trine Neptune 2
Moon square or opposition Neptune -3
Moon conjunct Pluto 1
Moon sextile or trine Pluto 2
Moon square or opposition Pluto -3
Moon conjunct, trine, or sextile Chiron 3
Moon conjunct Ascendant 3
Moon sextile or trine Ascendant 3
Moon square Ascendant -2
Moon conjunct Descendant 4
Moon conjunct IC 3
Moon conjunct or opposition Vertex 4
Moon conjunct North Node 4
Moon conjunct South Node 3
Moon trine or sextile Nodes of the Moon 2
Moon square Nodes of the Moon 2
Moon hard aspect (conjunct, semi-square, square, opposition) Sun/Moon midpoint 4
Moon in 7th house 3
Moon in 1st house 3

Mercury sextile, conjunct, or trine Mercury 2
Mercury square Mercury -4
Mercury opposition Mercury -2
Mercury conjunct, sextile, or trine Venus 2
Mercury square or opposition Venus -1
Mercury conjunct Mars -1
Mercury sextile or trine Mars 2
Mercury square or opposition Mars -2
Mercury conjunct, sextile, or trine Jupiter 3
Mercury square or opposition Jupiter 1
Mercury conjunct, square, or opposition Saturn -2
Mercury sextile or trine Saturn 1
Mercury in aspect to Uranus 1
Mercury sextile or trine Neptune 1
Mercury square or opposition Neptune -3
Mercury in aspect to Pluto 1
Mercury conjunct the Ascendant 2
Mercury sextile or trine Ascendant 1
Mercury square Ascendant -1
Mercury conjunct the Descendant 2
Mercury conjunct IC or MC 2
Mercury conjunct or opposition Vertex 1
Mercury in aspect to Nodes of the Moon 1

Venus conjunct, sextile, trine, or opposition Venus 3
Venus square Venus 1
Venus conjunct, sextile, or trine Mars 3
Venus square or opposition Mars 2
Venus conjunct Jupiter 3
Venus trine or sextile Jupiter 2
Venus square or opposite Jupiter 1
Venus conjunct Saturn 2
Venus sextile or trine Saturn 3
Venus square Saturn -4
Venus opposition Saturn -3
Venus conjunct Uranus 1
Venus sextile or trine Uranus 2
Venus square or opposition Uranus -2
Venus conjunct Neptune 2
Venus trine or sextile Neptune 2
Venus square or opposition Neptune -3
Venus conjunct, trine or sextile Pluto 2
Venus square or opposition Pluto -2
Venus conjunct, trine, or sextile Chiron 3
Venus conjunct Ascendant 3
Venus sextile or trine Ascendant 2
Venus square Ascendant 1
Venus conjunct the Descendant 3
Venus conjunct IC or MC 2
Venus conjunct or opposition Vertex 2
Venus in aspect to Nodes of the Moon 2
Venus hard aspect (conjunct, semi-square, square, opposition) Sun/Moon midpoint 3
Venus in 1st house 2
Venus in 7th house 3

Mars conjunct, sextile, or trine Mars 2
Mars square or opposition Mars -2
Mars in aspect to Jupiter 2
Mars square or opposition Saturn -4
Mars conjunct Saturn -3
Mars sextile or trine Saturn 1
Mars conjunct, sextile, or trine Uranus 1
Mars square or opposition Uranus -2
Mars sextile or trine Neptune 1
Mars conjunct, square, or opposition Neptune -2
Mars conjunct, trine, or sextile Pluto 2
Mars square or opposition Pluto -3
Mars conjunct, sextile, or trine the Ascendant 2
Mars square Ascendant -1
Mars conjunct the Descendant 2
Mars conjunct or opposition Vertex 2
Mars in aspect to Nodes of the Moon 1
Mars hard aspect (conjunct, semi-square, square, opposition) Sun/Moon midpoint 3

Jupiter in aspect to Jupiter 2
Jupiter conjunct, sextile, or trine Saturn 1
Jupiter square or opposition Saturn -1
Jupiter in aspect to Uranus 1
Jupiter conjunct, sextile, or trine Neptune 1
Jupiter square or opposition Neptune -1
Jupiter conjunct, trine or sextile Pluto 1
Jupiter square or opposition Pluto -1
Jupiter conjunct the Ascendant 2
Jupiter sextile, trine, or square Ascendant 1
Jupiter conjunct the Descendant 2
Jupiter conjunct or opposition the Vertex 2
Jupiter in aspect to the Nodes of the Moon 1
Jupiter in 7th house 2

Saturn sextile or trine Saturn 1
Saturn square or opposition Saturn -1
Saturn conjunct, square or opposition Ascendant -2
Saturn sextile or trine Ascendant 1
Saturn conjunct or opposition Vertex -2
Saturn conjunct or square Nodes of the Moon -2

Uranus conjunct Descendant or Vertex -3

Neptune conjunct Descendant, Ascendant, or Vertex -2

Pluto conjunct Descendant or Vertex 1

Ascendant conjunct Ascendant 1
Ascendant sextile or trine Ascendant 2
Ascendant square Ascendant -2
Ascendant opposition Ascendant 2
Ascendant conjunct North Node 4
Ascendant conjunct South Node 3
Ascendant trine or sextile Nodes of the Moon 2
Ascendant square Nodes of the Moon 2
Ascendant hard aspect (conjunction, semi-square, square, opposition) Sun/Moon midpoint 3
Ascendant in 7th house 3

Vertex hard aspect (conjunction, semi-square, square, opposition) Sun/Moon midpoint 3
Vertex conjunct either Node of the Moon 2

Nodes of the Moon conjunct IC/MC 3

Printer-friendly version of the above list of compatibility factors.

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Some scoring examples:

Generally, the higher the positive score, the more that binds the couple together in the long term.

However, even many Weight 4 factors do not always save a couple from divorce (as can be seen with example 2). When numbers are high in the + category, and the couple does eventually break up, the more potential for a challenging break up, perhaps because the bond was strong in the first place.

For example, if we compare the scores of the two divorced couples (examples 2 and 3), even though there was a higher negative score for the couple in example 3, there was a weak showing in the positive score as well. This likely accounts for the easy divorce—it was a quick marriage and easy divorce, as if the couple pretty much accepted that it was perhaps a “mistake” in the first place, so there were few hard feelings.

Example 4 is a famous couple often used as an example in relationship astrology. One of the reasons is that the birth data is accurate, and another is because the couple’s marriage has been long-standing, which isn’t very common with celebrities. Here we see an extremely high positive score, and a rather high negative score. They have two Weight 4 (Strongest Compatibility) factors, and a whopping fourteen Weight 3 (Very Strong Compatibility) factors. They have one Weight 4 (Red Alert) factor, and a rather low number of Weight -3 (Challenging) factors.

See our main Synastry hub page and scroll down to the bottom for links to all of our Synastry articles.

Next: House Overlays

Look for These Important Aspects in Your Synastry Compatibility

These are the aspects to look for when comparing charts

for a couple’s astrological compatibility.

Let’s look first at the harmonious aspects you would like to have between these planets.
These aspects are the Trine, Sextile, and sometimes the Conjunct.

* Sun and Moon (represents man/woman)

* Sun and Sun (natural affinity)

* Sun and Chiron (trustworthy)

* Moon and Moon (Emotionally attuned)

* Moon and Ascendant or Descendant (a soul kinship)

* Moon and Mars (Adds some heat – conjunction can be too combative)

* Venusand Mars (sexual, affectionate
vibe)
* Venus and Moon (warm caring feelings)

* Venus and Mercury (conversations are
more agreeable)

* Venus and Jupiter (Fun, Fun, Fun, Plus
good money aspect )

* Venus and Sun (Love and appreciation of that person)

* Venus and Ascendant/Descendant (Attracted to the physicality of the person)

* Venus and Chiron (Very positive for
relationships)

* Venus and Saturn (long term
relationship)

* Venus and Uranus (exciting,
spontaneous

* Venus and Neptune (dreamy
romanticism)

* Venus and Pluto (intense love
feelings)

* Mars and Ascendant/Descendant

* Mars and Jupiter (Adds a lot of energy in
whatever you choose to pursue)

* Mars and Chiron (Fertile aspect !)

* Jupiter and Chiron (fortunate and blessed
union)

* Jupiter and Sun (Rose colored glasses –
benefactor)

* Jupiter and Mercury (common spiritual
beliefs)

* Jupiter and Ascendant (beneficial )

* Saturn and Moon (stability,
commitment)

* Saturn and Ascendant (adds stability and security)

* Uranus, Neptune, Pluto and any point in the chart is fine.

The most important harmonious aspects to look for in a long term relationship and synastry compatibility are the Sun and Moon aspects, Venus to Mars/Sun/Ascendant, and Chiron to Venus/Sun/Moon/ Jupiter, and Neptune. So look for these first.

Now the reason some of the conjunct aspects are good “sometimes” is because it depends on the individual. With Saturn, it delays, teaches and restricts – but it can also be a source of dependability and stability. If you are someone who needs a lot of freedom in your relationship and doesn’t like to be depended on too much, this aspect can feel too restrictive. On the other hand if you are looking for a companion who can be bring much needed stability to your emotions (moon), self expression (sun), or
to a relationship (Ascendant/descendant) you might prefer this aspect.

Neptune on the other hand can be quite dreamy – to a fault. Disillusionment and victimhood could be brought out in a relationship with this aspect (not to mention substance abuse). With Uranus, a conjunction could indicate many separations (say your partner was a pilot or traveled a lot on business this wouldn’t be so bad) however, if you were someone who preferred a 9 to 5 partner, this could cause many problems. And then there’s Pluto well, intensity is good for some things and not always good for others…..

Next we’ll look at the aspects in synastry compatibility to LOOK OUT FOR ! YIKES

Look for squares, oppositions, and sometimes the conjunct between you and your partner’s planets, especially between the outer planets (saturn, neptune, uranus, and pluto) to your personal planets (sun, moon, mercury, venus, mars). The missing planet, Jupiter, is a mixed bag. At a square or opposite aspect it more or less adds arrogance, exaggeration, laziness, and overdoing. Nothing too bad, but could add an annoying element to the mix.

The most challenging (to say the least) aspects to look for are from Saturn to Venus, Moon, and Chiron. It is called the “heartbreak aspect” in some astrology books. So look out for these ! The next most difficult are from Uranus because of the reversal or separation effect. Pluto to your personal planets can be bring you manipulation/possessiveness/jealousy/over-controlling. And Neptune again, can lead you down the road to dissolution and disillusions.

So as you can see squares and oppositions mostly denote a problem area in a relationship. However, it can also have a stimulating affect as well. You must look to your synastry combinations to see how your squares and oppositions are working in your relationships.

Next look at the midpoint between the Sun and Moon. Take your sun/moon midpoint and check to see if the other person’s Sun or Moon makes a Hard aspect to it, such as; conjunct, square, opposition, sesquiquadrate, semi-square within 8 degrees. Then check his/hers to yours. Combine the two midpoints, to get your combined midpoint, and check both sets of moons/suns to this point. This adds energy to the union to make it “official” so to speak – Not that it always ends in marriage, but there is rarely a couple out there that doesn’t have some connection here. You can even check the
progressed charts. Progressed sun by forward or converse progression can make this aspect too, especially when the couple meets or when they become more committed.

Now, in assessing your synastry, if you were looking for “Mr. Right, or Ms. Right” and it’s important to have sparks in your relationship look for harmonious aspects involving venus with mars, pluto, and uranus and Mars to jupiter, and ascendant. If you are looking for a good companion and the sparks are not so important look for venus and moon, venus, saturn, sun, and ascendant. If you want a relationship that isn’t too predictable look for harmonious aspects with uranus. If, however, you love stability, longevity and security look to harmonious aspects with saturn.

Now remember, even the most romantic couples, even the couples’ whose marriages have become golden, and even cinderella and prince charming, had some challenging aspects in their synastry compatibility. However, it makes for a more enjoyable relationship the more harmonious aspects you have. And you have to decide what’s important to you in a relationship, what you can overcome, and what you can put up with !

House Overlays

House Overlays (Transposed houses):

Back to Synastry Main Page

On our main Synastry page, we offered an overview of considerations for compatibility. On our Compatibility Analysis page, we offered a weighting system for various interchart aspects and positions. On the More on Synastry page, we explore more Synastry details and compatibility factors. On our Synastry Books Compared page, we reveal our favorite books on relationship astrology, and why we like them.

On this page, we explore House Overlays in more detail.

House Overlays

When we look at interchart aspects, we learn much about how two people in a relationship interact and what kind of impact they have on one another. If we place the planets and points of one chart into or around the other, we become privy to important information about which areas of life this interaction is concentrated, and how each person views the other person in more specific terms.

Generating bi-wheel charts, such as the ones pictured below, is helpful when we are studying house overlays. Because it’s a two-way affair, two bi-wheels can be used—one with person A’s chart in the center and person B’s planets in the outside wheel, and another bi-wheel with the reverse: person B’s natal chart in the center and person A’s chart outside.

In the above example bi-wheel chart, we have Britney Spears’ natal chart in the center, inner wheel, and we have overlayed Justin Timberlake’s natal chart (his planets and points are found in the outer wheel). This way, we can easily see where Justin’s planets and points fall in Britney’s chart. For example, we see that his Sun conjunct South Node fall in her 5th house, at her Moon. We also see Mars and Mercury overlaying her 5th house (Mercury is very close to her 6th house cusp). His Moon conjunct Neptune overlay her 3rd house. His Saturn falls in her 1st house, near her Ascendant. His Ascendant falls in her 11th house, and so forth.

With this information, we can see more clearly and specifically how Justin impacts Britney.

The above chart is the reverse. We have overlayed Britney’s chart onto Justin’s, whose chart is in the middle. This bi-wheel chart helps us to visually discern where Britney’s planets and points fall in Justin’s chart. We can see that there are a number of Britney’s planets falling in Justin’s 4th house, for example—namely, Uranus, Mercury, and the Sun. Her Neptune technically does fall in his 4th house, but it is tightly conjunct his 5th house, so we consider her Neptune as overlaying his 5th house. You can also see that her Neptune falls on his own Moon and Neptune conjunction. Now we have a clearer idea of how and where Britney impacts Justin’s life.

House overlays go two ways. If my Sun overlays your sixth house, for example, you will view me as useful. If my Sun interacts with your planets in a generally challenging way, you may ultimately consider me to be counter-productive or meddling. I awaken sixth house issues in you. You may feel somewhat dependent on me in the areas of routines, work, and everyday issues, especially since the Sun is a positive, yang energy, and the sixth house has a yin, receptive energy. You receive, and I give, which can set up a co-dependent relationship if other factors in the synastry between us support this.

Another example: If your Sun overlays my fourth house, you affect me in a very deep way. Because you bring out a very needy feeling in me, it would be easy for me to be extremely sensitive to your actions in our relationship.

It can take students of astrology a bit of time to wrap their brains around the concept of house overlays in synastry. In order to get a clear understanding of the effects of house overlays (or transposed houses as they are often called), I have found it easiest to think about it this way: When somebody’s Sun or Moon (or other planet) falls in a particular house in my natal chart, it is much like that person has the effect of a permanent transit to that house in my natal chart! If your Sun falls in my eighth house, for example, when I interact with you, it is somewhat like the Sun is transiting my eighth house, highlighting and illuminating 8th house issues for me. Similarly, if my Sun falls in your third house, I have a similar effect on your life as the Sun transiting your third house.

Where the Moon falls in house overlays can be very revealing as well, especially in intimate relationships. I was consulted by a woman whose intimate friendship with a man had ended, and she felt completely torn apart. Their relationship wasn’t lengthy—lasting perhaps 8-9 months—but it had affected her to “the core of her being”. She had had longer relationships with men that ended, and she felt she recovered from these more easily than she could from this comparatively brief relationship. Of course, many factors are involved, but one stood out for me, and it helps illustrate the importance of house overlays in relationship analysis. Her Moon falls in his fifth house, and his Moon falls in her fourth house (near the IC, the fourth house cusp). His affection towards her impacted the very “core of her being” (her words) in profound ways (fourth house/IC feelings!). She felt dependent on him for emotional sustenance. When their relationship ended, she felt what she expressed as “primal anger”, but predominantly a tremendous amount of hurt. He told her that he was saddened that the relationship ended as well, but he did not display the same kind of neediness and attachment to the relationship that she did. He missed the good feelings they shared, the laughs (fifth house feelings). He told her that no one he had ever met made him feel so good about himself. She had been a very receptive audience to his stories and jokes, and he expressed that he missed that aspect of their relationship very much.

In the chart examples above, we can see that Britney’s Sun and Moon (and many other planets) fell in Justin’s 4th and 6th houses. These are both dependent, subjective, and receptive houses. On the other hand, Justin’s Sun and Moon fell in Britney’s 5th and 3rd houses, which are more outgoing houses. The fifth house has much to do with ego and identity, as it is a fire house, the house of Leo. The third house is another outgoing, active house. It is the house of Gemini, and has a social and mental quality to it. There is a clear imbalance represented here. I have no idea what happened between them, but these overlays suggest to me that the relationship affected Justin in a deeper manner than it did Britney. Perhaps, to her, the relationship was more fun and games than anything.

Very often, we hear of breakup complaints in which one person feels used by the other, or accusations that one person did not care as much as the other. House overlays can be extremely illuminating for these situations. It can also help us to understand and accept instead of accuse. Let’s say you and I were in an intimate relationship. If your planets fall primarily in houses that are active, positive, and outgoing in my chart, and my planets fall primarily in houses that are receptive in your chart, you may ultimately feel “used” by me. You may have impacted my identity, purpose, and ego more than anything, while I may have cut much deeper in my effect on your life. Because your very heart and soul were on the line, you may, in the end, consider me to be rather heartless. However, if I was involved in a relationship in which the tables were reversed, I might be the sensitive one whose heart and soul were on the line. Most relationships are more balanced than these examples. However, when you do come across these basic incompatibilities in house overlays, it should be noted as very significant.

So, we can see that incompatibility issues can be clear when person A’s planets primarily overlay person B’s outgoing houses and B’s planets primarily overlay A’s receptive houses.

The difference between the outgoing houses and the receptive houses can be thought of as in terms of objectivity versus subjectivity. A person whose partner’s planets are flanking his or her receptive houses is very subjective about the relationship. It is very difficult for this person to be objective or detached about the partner or the relationship.

We can also pay attention to the elements associated with the houses. The 1st, 5th, and 9th houses are fire houses, and have much to do with identity and ego. The 2nd, 6th, and 10th houses are earth houses, and are more practical and material in nature. The 3rd, 7th, and 11th house are air houses, and these houses have a social and mental nature. The 4th, 8th, and 12th houses are water houses, and are emotional in nature. If I primarily activate (let’s say with my Sun and Moon and one or more other planets) your earth houses, you may see me as a means to an end. You may be dependent on me for material support or emotional security, for example. Or, you may view me as particularly useful in your life. How this plays out will depend on how I react to this. I may feel like you see me as an object rather than a person, and this may be difficult to deal with. On the other hand, your seeming dependency on me could feel good to me. Perhaps I feel more useful, and I am boosted by my relationship with you as a result.

If I primarily activate your water houses, my actions will have a deep impact on you. You will likely be very sensitive to me, viewing me as someone with whom you need to relate to intimately and profoundly. You may rely on me for emotional support, for example. Again, how I respond to this can be critical to the success of our relationship.

If I primarily activate your fire houses, I will be integral in developing and perhaps transforming your ego and identity. I may inspire and stimulate you to express yourself and your creativity. You may see me as someone with whom you can have a good time. If I primarily activate your air houses, I may stimulate your social life, you may see me as a good friend, and perhaps not much more than that! Although I generate warm and friendly feelings in you, I may want a more profound relationship. I may want to “get to you” more deeply, and I might feel like your feelings for me are superficial. On the other hand, I might enjoy the lightness and good feelings that this partnership generates.

Let’s say that there is a general compatibility with the elements of the houses in overlays. This should be a good thing, although if it is too concentrated, the relationship may be unbalanced and lacking. For example, let’s say my Sun and Moon and many other planets primarily activate your water and earth houses, and the same is true of your planets activating my water and earth houses. We may view each other in similar ways, and this can be a source of compatibility. However, in this case, because the air and fire houses are not activated in either direction, the relationship might easily become co-dependent and challenging. We might function as a couple for years, but at some point, either you or I (or both) might recognize the lack. The relationship may seem too heavy and lacking in fun times (Fire) and mental stimulation (Air).

Similarly, if there are stelliums in each person’s natal chart, we will find strong emphases on particular houses in the overlays. If my stellium overlays your 11th house, and your stellium overlays my 7th house, we are both activating outgoing, air houses in each other. However, there can be some disagreement nevertheless, as you may view me as a good friend, while I see you as an ideal partner—someone with whom I want a rather exclusive partnership.

In our example near the beginning of this article, when we compared a couple’s Moon overlaying the 4th and Moon overlaying the 5th, if we can expand our analysis by looking at the overall pattern of the overlays, we can see why this couple had such misunderstandings with regards to what the relationship was all about, and what it meant to each person. Her planets primarily overlayed his 5th and 11th houses. Only one of her personal planets overlayed a receptive house, the second house. Students of astrology may recognize these houses as fixed ones. On the other hand, his planets primarily overlayed her 4th, 6th, and 8th houses. She depended on him and their relationship, and it shouldn’t come as a surprise that the impact of their break-up was so profound for her. With her planets primarily overlaying his 5th and 11th houses, he saw her as a friend, a romantic interest, and something rather light and casual in comparison to how she viewed him. She responded to him with a lot of emotion, and her dependency on him eventually wore him down. He did not return those deep feelings. Although he truly liked her and enjoyed her company, she wanted something more profound and intimate, and they had to go their separate ways.

Perhaps ideally, there should be a better spread of overlays over the elements of the houses, in each of the two overlays. Otherwise, the relationship may become burdensome and unfulfilling over time. Of course, much depends on what is expected of the relationship. This brings us to our bottom line: House overlays can reveal whether or not there is a basic agreement on what each person expects from the relationship and from each other. However, it should be noted that even with this compatibility and agreement, it does not tell us whether or not the individuals involved will eventually outgrow the relationship.

Note that in Love Formulas-2 by Nance McCullough, the author emphasizes that overlays of the Sun, Moon, or Ascendant to the second person’s 7th house are very important in synastry. She feels that someone is most attracted to a person whose Sun, Moon, or Ascendant falls in their seventh house. She also suggests that many times when the attraction is one-sided, it is the seventh house person who is the one who is attracted. If the other person’s seventh house isn’t activated, he or she may not return the feelings.

Read our article You Light Up My Life: The Sun in the Houses in Synastry for more details about the Sun falling in specific houses in synastry. Read our article Planet Overlays in Houses for more information about house overlays.

Note that I never underestimate the power of house overlays (transposed houses) in synastry! In fact, it is one of my first considerations when I do a relationship analysis. When birth times are unknown or uncertain, I am disappointed that I cannot apply this portion of the analysis to my reading, as I consider it extremely revealing.

Next: More on Synastry

Planets in another person’s first house/Planets conjunct another person’s Descendant: The Ascendant and first house represent our physical appearance and the way we project ourselves to the world. When you have planets in your partner’s first house, or vice-versa, a strong physical attraction is indicated. A woman’s Sun and Mars (masculine planets) represent the kind of man she finds attractive, so having either of these planets in her partner’s first house indicates considerable attraction on her part. A man’s Moon and Venus (feminine planets) indicate the qualities he looks for in a woman, so having either of these planets in his partner’s first house is indicative of physical attraction.

Planets in the 7th house/Conjuct the Descendant: The 7th house and Descendant represent our one-on-one relationships, and describes the qualities of our ideal mate. Thus, having planets in someone’s 7th house in synastry is indicative of mutual attraction. The planet person represents the qualities we lack, the qualities that will serve to “balance” us out. The house person is likely to find the planet person as someone who is “marriage material,” while the Planet person is likely to find the Ascendant person highly attractive. The strongest indicator of physical attraction is when someone’s inner planets fall in the 7th house (especially the Sun).

Planetary overlays in the 5th house: The 5th house represents fun and romance. So, if your planets are overlaid onto your partner’s 5th house, a romantic and sexual attraction is indicated. You love spending time with one another, and the planet person stimulates the house person’s desire for love, sex, and romance. This is especially true if the planet is Venus or Mars; you literally want to jump the person!

Planets in 8th house: The 8th house represents sex and intimacy. This is thus a very powerful synastry overlay to have between partners. In this case, the planet person stimulates the 8th house person’s desire for intimacy. The 8th house person wants to “merge” with the planet person and explore the depths of her sexuality. Hot, hot, hot! This is especially true if your partner’s Venus or Mars (sexual planets) fall in your 8th house. It’s practically irresistible. The 8th house person may even become obsessed, so watch out! This is definitely not a synastry aspect for the faint-hearted.

Sun-Venus synastry aspects: Venus is the planet of beauty and pleasure, while the Sun represents our core being. Thus, synastry aspects involving the Sun and Venus are indicative of a strong physical attraction, especially on the part of the Venus person. The Sun person represents what the Venus person finds beautiful and pleasing, and the Sun person gets a huge ego boost from this! The Venus person adores the Sun person, and the Sun person loves the Venus person’s style and grace. This is a highly romantic aspect, and is one of the best indicator of a lasting romance.

Sun-Mars: Both the Sun and Mars are masculine signs. When they make an aspect in synastry, sexual compatibility is indicated. Your body rhythms match well, and you naturally know how to please one another. Mars is especially sexually attracted to the Sun person, and the Sun person’s sexual desires are stimulated by the Mars person. This aspect represents considerable attraction to each other’s bodies. This is especially true for the conjunction, trine, and sextile. The opposition and square can lead to conflict and ego clashes, but attraction is still indicated.​

Venus-Pluto: This is one of the hottest sexual synastry aspects two people can have! Pluto represents sex, obsession, and intimacy, while Venus represents love, beauty, and affection. Together, this spells g-r-e-a-t s-e-x! You stimulate each other’s desire to experience the depths of sexual intimacy. Physical intimacy is especially important with this interaspect; you feel a strong desire to be physically close to each other. In fact, you may find you become obsessed with one another! This aspect also indicates power struggles and domination, especially on the part of the Pluto person. The Pluto person feels a strong desire to “merge” with the Venus person. Pluto finds Venus beautiful and intriguing. Venus is strongly sexually attracted to Pluto, as Pluto puts her in touch with her primal, sexual feelings. This is especially true of the conjunction. The trine and sextile indicate intense, but pleasing and harmonious sexual interactions. These aspects deepen the intimacy shared by the couple, but not in an overly obsessive or destructive way. In the case of the square and opposition, strong sexual energies are also indicated, but this may be accompanied by an unhealthy desire to control one another through manipulation, jealousy, and possessiveness. The square and opposition can also indicate sexual and financial exploitation, as well as abuse. Nevertheless, Venus-Pluto in synastry is just plain hot.​

Moon-Mars: In synastry, this is a sign of true sexual compatibility. The attraction is instinctive in nature. This aspect is considered best when the woman is the Moon person, and the man is the Mars person. Like Venus-Mars interaspects, Moon-Mars interaspects represent the yin/yang or male/female energies between couples. The Mars person can instinctively sense the needs of the Moon person, and strives to fulfill them. The Mars person is attracted to the Moon at a very basic level; he finds her basic femininity very sexually appealing. The Moon person is “turned on” by the Mars person’s advances. The attraction is very primal in nature. Together, they fuse emotionalism and feelings into sex, which can be highly satisfying for both parties. I believe all Moon-Mars contacts, whether hard or soft, brings this energy into the partnership. However, the hard aspects can manifest outside the bedroom as emotional arguments and hurt feelings, while the softer aspects indicate supportive energies between the two.

Venus-Mars: ​​​​​​​​​​This is especially potent when the woman’s Venus is being aspected by the man’s Venus. Even better is when you have a “double-whammy”; when your Venus aspects your partner’s Mars, and when your partner’s Mars aspects your Venus. Venus is the planet of love, affection, and romance, while Mars is the planet of raw sexual energy. Together, they make fireworks! The Mars person feels adored and loved by the Venus person, and finds them beautiful. The Venus person is energized and sexually stimulated by the Mars person. When this interaspect shows up in synastry, true sexual compatibility is indicated. This is especially potent when the woman’s Venus is being aspected by the man’s Mars.

Ascendant/Ascendant Aspects in Synastry: I really don’t think this synastry connection gets enough attention! The Ascendant represents our physical appearance, and the way we project ourselves to the world. Thus, aspects (even hard ones) between two people’s Ascendants indicate considerable attraction. This is especially potent if your Ascendant opposes your partner’s Ascendant (or your Ascendant is conjunct your partner’s Descendant). In this case, your partner is likely to consider you to be the “perfect partner,” in terms of your physical appearance. As a Sagittarius Ascendant, I attract Gemini Ascendant men like crazy!

Eros Synastry Aspects: The asteroid, Eros, represents erotic love, sex, passion and intimacy. I have found that when someone’s personal planets make strong aspects to someone else’s natal Eros, a strong sexual bond and attraction is indicated. I’ve found that the Eros person has a “crush” on the planet person. This is an indicator of great sex, too!

Aspects to Lilith in Synastry: In synastry, Lilith brings an untamed, wild sexual energy, feelings of obsession, and intense, transformative interactions. When your Lilith aspects your someone’s planet (especially the Sun, Moon, Venus, Mars, or the Ascendant), you are magnetically attracted to this person, and can’t get them out of your mind. This aspect shows an amazing amount of sexual chemistry and an obsessive attraction.​

Like Pluto, Lilith aspects in synastry act to draw out each person’s sexuality. Lilith sex is tantric, obsessive, and highly addictive. Couples with strong Lilith in synastry have an incredibly strong sexual attraction to one another, and it is difficult to keep them apart! Logic does not apply in Lilith relationships. Indeed, Lilith is what makes a man end a 20-year marriage out of the blue. Indeed, Lilith’s reputation as a “home wrecker” is well deserved. On the plus side, she can break someone free of their safe, habitual behavior.

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Lets dive in

This article explains how to read a synastry chart. To first gain a foundation in astrology (such as the significance of the aspects and planets) take a look at How to read your astrology chart.

A Synastry chart overlaps two birth charts and then examines the aspects between the two charts to reflect the character and dynamic of the relationship. Lets explore synastry through one of the most famous relationships in the world: Beyonce and Jay-Z, or more aptly know by people younger as Bey-Z. Or, you can follow along with a Synastry chart of you own choosing – which you can easily make with our free synastry chart tool.

We can see their individual birth charts have been overlaid on top of one another, as this is good vantage to visualize the aspects between their charts. Below the chart is a list of all their individual planets.

If we scroll to see their Synastry aspects we can see the angles created between Beyonce and Jay-Z’s individual planets. Aspects can look jarring with their astrological jargon. Don’t get me wrong – reading “North Node Sextile Pluto, orb zero degrees” would raise most people’s eyebrows. But, let’s explore one aspect so that you’ll see it’s actually quite easy to grasp.

The first aspect on the list North Node Sextile Pluto orb 0 Deg means Beyonce’s North Node is a 60 deg angle to Jay-Z’s Pluto. Sextile indicates that the angle formed between two points between each other’s individual horoscope points is 60 degrees.

What does the mystical word “orb” mean? An orb is the “error margin” of an aspect. For example, looking at Bey-Z’s aspect we can see there’s a Mercury Square Mercury orb: 1 °. This means that their Mercury’s are not a perfect square, but is off by 1 degree.

Some astrologers would say an aspect with an orb of 0 degrees indicates that your relationships gets the full strength of that particular aspect’s energies. The higher the orb’s degrees are, the more diluted that aspect’s energies are to the relationship.

Below is a table listing all the major aspects. It also lists their degree, their symbol and their influence.

Aspect Degrees apart Symbol Influence
Conjunction 0 The two planets are in the same sign and degree. There is a merging or blending of energies between you. It feels familiar.
Sextile 60 Easy and flowing energy, but has softer influence than a trine
Square 90 Stimulated and energized energy. The energy between these two feels unfamiliar and exciting. Yet, in ways you complete one another uncannily.
Trine 120 Flowing and easy energy between the planets. But it can feel so easy it is not stimulating.
Opposition 180 The two planets opposing one another in the sky. The energy between them feels intensified and amplified. There can be a tug of war. In truth though, opposite planets are not pure opposites. They share a lot in common, but they can appear like opposites on the surface.

What can Synastry tell us about our relationships?

Before we get into the fun stuff – interpreting aspects. Let me share my view on what Synastry can tell us about our relationships.

Many people come to astrologers looking to see if they’re “compatible” with someone, allowing superficial sun sign comparison to determine the efficacy of a relationship. Synastry is a much more nuanced process than that. Synastry is not predicting the determined path of your relationship, nor is it telling you which path you should walk. It’s merely the surveyors mapping out the terrain of your relationship.

An astrologically sound relationship does not always translate, in reality, into being the perfect relationship. Ultimately there are a multitude of variables that exist when two people choose to come together. You carry your past experiences, social background, education which when mingled with someone else’s life baggage can result in an endless amount of outcomes. The benefit of Synastry is showcasing another perspective of your relationship, showcasing the individual qualities you both bring into the relationship and the potential your relationship possesses. At the end of the day, the future of your relationship is not determined by the stars above, it always was and always will be determined by you.

The fun part – lets start interpreting

Yay! Now the part I enjoy the most, lets try our hand at interpreting some aspects. The basics of interpretations in Synastry is pairing the planetary energies with how they’ll play with the influence of the aspect. So lets explore the Sun Square Sun aspect.

Sun Square Sun

I like to begin by writing some basic points about the particular planetary energies in the aspect, in this case it’s the Sun. Lets paint the basic Sun energies:

  • The ego and will
  • Center of gravity
  • One’s approach to self-realization
  • Self-expression
  • Where one seeks to shine
  • Inner Animus

Now we can see the aspect is a “square”, many astrologers like to paint that a square is an ominous force, a destroyer of relationships, they love to drum it up as being something that’s akin to the sky falling down. I take a lighter approach in looking at squares. I see it as a very powerful aspect, I see squares as an obstacle to overcome, and it’s the beauty of overcoming that is infinitely beneficial to any relationship. As it signifies growth and the learning of invaluable wisdoms.

So, with the presence of both Beyonce’s Sun and Jay-Z’s Sun, this from the get go symbolizes a bright self expressive relationship. Also as the sun represents our mode of self-expression, and where we seek to shine, we can see their matching Sun signs give them a mutual love of music and entertainment.

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We can say there’s almost like an instant rapport between them, and an energy that allows their personas to just “click” around each other. It’s not something they can easily explain. They likely felt like old friends, right from the get go. They simply enjoy being in each other’s presence – a bright, enduring energy can be felt.

Understandably there’s a natural competitive nature between them, which the square aspect may exaggerate. This pursuit to win superficially may seem ego driven, but when approached positively it symbiotically motivates them both to become their highest selves. This is evident in their music careers, they have propelled each other from being just music stars to entrepreneurial media moguls.

The square energy at times can be very strong to deal with. So in the case of Bey-Z, when their relationship feels this effect, we see how their relationship can become very withdrawn from the public eye. Their personal expression with each other becomes very private, throwing gossip magazines around the world in to a frenzy as they wildly speculate the details.

In fact, when their energy is flowing harmoniously, they feel an ego boost around one another. They feel impelled to express themselves fully or gain mastery in a chosen interest, rather than remaining complacent and resting on their laurels. Sharing this similar approach to life creates an environments of mutual respect, encouragement and desire for growth around one another.

Energy out of balance could amplify their competitive nature, bringing about comparison rather than encouragement. Scuffles between them can take on a dramatic, larger than life feel. Which by the nature of their fame, any drama that flairs up between them, naturally becomes world-wide news.

At the end of the day

Have fun with Synastry and keep it playful. Don’t let it unfairly paint how you view you partner. I tell people to treat it like a supplement for your relationship. If you enjoyed this and would like a full interpretation report for you Synastry chart, .

Ellie Mae Astrology

How to Read a Synastry Chart

Upon first looking at a synastry chart, there may be an initial sense of confusion as to how to best interpret the intertwining planetary alignments from one person to another.

Essentially aspects between another persons planet shows the dynamics as to how one aspect of your personality interacts with another’s.

Reading a synastry chart applies the same method as reading a natal chart, however you must remember you are looking at one persons planet interacting with another, therefore each person playing a role in the expression of their planet in aspect.

Example: If Person A’s Moon was Trine Person B’s Venus, one person would be expressing their caring, vulnerable and hurting side, while the other person would be expressing their loving, appreciative and giving side.

The type of aspect will dictate how your personal expression of a part of your personality (ie. sign on a planet) interacts and is revived by another.

Conjunctions

Here two planetary energies express themselves in the same way (unless its an out of sign conjunction). Here there is a natural and mutual understanding of how each person expresses a part of their personality, though the planets involved and how each persons own planet is aspects in their own chart will dictate how well the nature of the conjunction plays out.

Trines

Here two planetary energies flow effortlessly together, and expressions of one another’s personality is received well due to the easy and mutual understanding. Each person will understand the other persons way of expressing and doing things, as well as provide a compatible variation on how they give to another, in a way they appreciate.

Sextiles

Sextiles provide much more excitement than Trines, as the modality and element is different, however, the elemental compatibility provides a contrast in which stimulates the other. In affect, they almost act like easy squares by where the friction builds on the other, however the energy is much more friendly and playful. Sextiles in synastry can challenge the partner to expand on a part of their own personality and find a way to engage that part of them more in themselves and in the relationship.

Squares

Squares are INCREDIBLY common in synastry.

Why?

The nature of squares provide a challenge, a chance to improve and work hard to find a solution. The entire universal PURPOSE of relationships is to experience oneself through interaction with another, and square provide and opportunity to bring out parts of the personality that may lay dormant. This is how we learn what we want and what we don’t want in relationships.

Squares upon first interaction are highly magnetic, as the natural energetic friction causes a sense of challenge, creating a desire to experience a certain part of the self.

However it is true to say that square are not always the most pleasant aspect in synastry, as they draw on a sense of desire NOT compatibility – any relationship that contains squares will ultimately create a sense of growth, and its ones ability to resolve conflict or walk away with a sense of knowing who they are and what they want is what makes square an integral part to relationships.

Oppostions

Oppositions in synastry act quite differently than within the natal chart, as the sense of ‘internal spinning form one part of the personality to the other’ is manifested within two people in the relationship. Like the conjunction, oppositions can either be beneficial or detrimental depending on the planets involved, the condition of the individuals planet, and the maturity and ability to make a compromise between two people.

The opposition in synastry can provide an excellent contrast as to looking at ones ‘shadow side’, and often these two can compliment each other by having a similar perspective, though taking a different approach.

If not handled well, the contrast can be TOO different from one another, causing a sense of separation due to the sense of ‘foreign’ expression of another. If both people are mature, a compromise can be made, if not, there may be a natural need for separation as each others needs can not be met by the other.

Inconjunction/Quincunx

This is perhaps the most difficult aspect in synastry. The Inconjucntion acts much like an opposition, though with the opposition, the element and modality compatibly makes it possible to find a compromise by understand the others mutual perspective on things. With the inconjucntion, signs are aspected with incompatible elements and modalities, therefore having no common ground on the way they act. This often results in the inability to understand one another from there perspective. They may have to ‘take turns’ at expressing parts of their personality to one another, or when one acts, the other person fails to react. The inability to understand one another can cause a sense of disappointment as each persons efforts and expressions are not being recognised by the other.

The final part to reading a synastry chart will be understood by looking at the house area each persons planet falls into, making the birth time crucial to interpretation.

When a planet falls into another persons house, an aspect and energy of one person is being expressed in the life area of another. This creates a sense in the house person whereby they energetically sense a persons certain energy being expressed in a certain house, and the aspects will determine whether it will be positively or negatively received.

A planet falling into another’s house stimulates that area of life for them.

Example: A planet falling into someones 11th house will stimulate the feeling that this person will fulfil their need for friendship.

The planet person will also feel their personal energies being projected into that life area of the house person, but will ultimately be more focused on the way the other person makes THEM feel rather than where they are investing their personal energies into another.

This is why aspects are highly important in synastry, as there needs to be a mutable reception by both people in order for exchange of feelings.

Example: Person A’s Venus may fall into Person B’s 7th house. Person B may feel the Venus person can fulfil their relationship desires, however, Person A’s Venus is afflicted by other planets in synastry, and they in fact aren’t attracted to Person B at all – perhaps far from that.

It is incredibly important to NEVER single out one ‘positive’ aspect in synastry, especially as a need for personal validation. If the relationship is meant to be challenging or not to form at all, it will be so, therefore a high level of objectiveness is needed when reading your own synastry chart with your own love interest.

Problems can be resolved, and other times they can not, the aim of relationships is personal growth, and it’s always best to act for your own highest good and seek a relationship thats challenging AND fulfilling.

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Artwork: kelogsloops

astrology astrologer synastry how to read chart aspects aspect Conjunct inconjunct quincunx trine sextile square opposite venus love karma romance relationship relationships natal 7th house

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Your Guide to Synastry: Overview, Examples and Techniques

This synastry example includes the standard inner and outer wheel. Typically the color differentiation is meant for reading along purposes and to tell who’s is who. So, what are the main things to look out for in a synastry? And more importantly, how do we determine red flags? Well first, I want to brief you with this: not all squares or oppositions are bad. The most fulfilling relationships are the ones that offer obstacle and tension, while also providing directive energy (usually in the form of trines and sextiles). Working with synastry requires working with symbolism and knowing the manifestations aspected planets can bring.

Indications of a “good” synastry

I use “good” very loosely because the assessment of a good synastry is more multilayered but from previous client work, I noticed fulfilling synastries have a focus within the 5th and 7th houses. The fifth house is all about pleasure; things that make us feel good. When planets are placed here, people can unlock the creative potential, optimism, and heightened expressions of their partner(s). There is a child-like energy shared between the parties that when it comes to hanging out with each other it feels more lively and natural. The seventh house is a typical focus of synastry because this is the house of partnerships and romance. It’s the house of relatability. Planets placed in the 7th house will show a connection and the motivations behind those connections. For example, if person A’s moon was placed in person B’s seventh house then this could indicate that person A’s connection to person B is heavily motivated by an emotional connection, one that is very intimate and vulnerable. If Mars was placed here, then it would reveal that the connection is based on pushing the other, wanting to claim ownership of the other or motivate the other. Looking at the chart example above, Person B (red) has several planets falling in Person’s A (blue) seventh house. These planets include Mars, Saturn, and Pluto. Person B’s Mars is also conjuncting to Person’s A Venus. Mars and Venus conjunctions are usually positive indicators in synastry, especially within the seventh house because Mars is drive and conviction–its very physical while Venus is social fulfillment and values. When blended it produces almost an automatic attraction especially in sign of Leo where shyness is not very emphasized. So, interpreting a Mars and Venus conjunct in the seventh house in Leo would be: an immediate attraction that’s very straight forward and bold. However, we can’t stop right there because we have other planetary forces falling into this house. Pluto and Saturn in the seventh house is usually interpreted as “cautionary tales.” However, Saturn is disciplinary and also binding in synastry. There’s a purpose behind this relationship, particularly the Saturn person has a purpose or lesson to give to the house person

and this can be very tricky. Remember, Saturn is reality and it often is able to dictate the reality of others. The Saturn person can either positively or negatively define the house person’s reality. Positively, the house person will grow within in a particular area. Negatively, the house person will be psychologically impotent (March&McEvers, p.117). Looking back at our example, Person’s B Saturn seems to be conjuncting Person’s A Venus. So in translation: Person B can teach Person A social adaptation, and the realism behind romance that abandons aesthetics and fairytales. With Saturn conjunction Mercury, Person B can teach Person A a more rigorous and trained reasoning system and give them structure that can be applied through their day to day lives. Pluto in synastry is also binding but unlike Saturn contacts, Pluto runs deep. Person’s B’s Pluto falling into Person A’s seventh house would suggest Person B has an innate understanding of Person A which allows them to get closer and vulnerable with each other. However, Pluto contacts in synastry is very similar to Saturn contacts in synastry which is: they can be tricky. While these planets can solidify relationships in certain areas they can also make them fall apart. Most outer planet contacts in synastry can be unpleasant because they make you work for the relationship. Both Saturn and Pluto can be overly dictatorial and exhausting.

Besides the fifth and seventh houses, I typically find that overlays with the 1st and 4th tend to also be really promising. Person A has a few planets falling into Person B’s first house, including the sun. Sun overlay in the first house is always a good indication of being comfortable with each other which tends to formulate into a very expressive and authentic relationship. Put it this way: you both get a really good sense of each other’s personality and it creates a familiarity. Familiarity is also a common theme behind fourth house overlays. Person A and Person B have a Moon conjunction Venus in the fourth house which I would interpret this as two people who are able to cultivate a non-discriminate space for each other which can lead to very fulfilling and authentic conversations with one another. Positive (directive) contacts with moon and venus typically manifest as each person within the relationship providing a good support system for the other(s) involved. I also find these to be quite prominent in platonic relationships as well.

“Red Flags” in Synastry

Let me just say: red flags are completely subjective. However, I wanted to provide a bit of a roadmap, interpretations from my own insights and what you can potentially look out for when conducting your own synastry analyses.

Harsh Mercury Aspects

Mercury isn’t as sexy as Venus by any means but as our communication energy Mercury is by far one of the most important. Harsh mercury aspects in a relationship can easily erupt in disagreements, heavy arguments, and poor communication skills. Certain aspects can make communication dry such as conversations that don’t go anywhere or a lack of honesty that makes such a relationship insincere. For example, having a mercury square to another person’s mercury can make the task of listening difficult. Mercury is strongly attached to our egos, it’s where we want people to hear us and with both mercuries squaring each individual in the relationship is trying to be heard but no one is making the effort to listen. Mercury that harshly aspect to an outer planet can also create volatile confrontations or trouble grasping the other person’s viewpoint. For example, someone’s mercury that squares to another person’s Jupiter or Neptune can create issues with understanding the reality of the situation: either details are ignored or they’re diluted. Be aware of this because gaslighting can occur.

Venus Square Mars

Most would assume Venus-Mars adds a lot of attraction and sexuality into the relationship; however, the disharmony between venus and mars can create an overwhelming turbulence in a relationship. With aspects like these, neither planet is overpowering the other but rather its a tug of war situation. Venus is concerned about social cues, presenting an image that’s peaceful and filled with little to no controversies. Mars, on the other hand, wants an authentic relationship–it wants rawness, honesty and most importantly, its very straight forward. Working with previous clients, I notice that the Venus person often rejects the Mars person as they are too forward or brute to fit into a curated image of a relationship. In some ways, the Mars person can be too “awkward” or not compromising enough to worry about social standards; therefore, there’s a complete misalignment with values. Venus often sends Mars packing but Mars wants more and they can be rather combative with this task. Now, this is not to say every harsh Venus and Mars aspect will result in ashes but its important when having this in a synastry that the people involved establish boundaries and by doing that it requires disputes. More than likely Venus does not show full rage in front of Mars especially when Martian range can completely over power but by doing this you get an idea how your anger might match up to someone else’s. Lessons needed to be learned: Venus needs to accommodate its own accommodations while Mars needs to embody boundaries that are set within the relationship.

Harsh Uranus and Neptune aspects

Between Uranus and Neptune I’m not sure which can cause a bigger havoc in a relationship but it’s important to be critical of when someone’s personal planet aspects another’s Uranus or Neptune. Too much focus on these two planets creates a nerve-wrecking energy in a relationship that can be almost explosive. There is always an imbalance of reciprocity with these two planets. Uranus typically creates a dissonance with intimacy. Uranus wants freedom and to be itself. It can view relationships as incompatible with that liberation. Ultimately, Uranus will view relationships as fun and exciting but when it gets “too” personal it often wants out. Also, Uranus in synastry often accounts structures that can be very off center from the norm. For example, if there was a Venus conjunct Uranus in synastry this would mean that the structures of the relationship is very different and therefore, it requires different accommodations, such as different communication styles or even sex. Sometimes, this “different” factor in a relationship can be too much to explore or society at large can work against it. Usually the Venus-Uranus aspect in astrology can relate to relationships that don’t neatly fit into society’s definition of what composes such relationships; ones that are not monogamous or cis-heteronormative. Neptune, on the other hand, dilutes these structures. Love is still seen as non-personal so it creates a lot of disruptions around healthy intimacy. Neptune in synastry focuses on our romanticization and projections of love that is unattainable and worse, deceptive. Neptune in synastry can also tell us where we are conflict avoidant and so, we don’t go through that necessary step of crafting boundaries because we aren’t allowing ourselves to get angry. Neptune lacks social adaptation so it often refuses to follow with the norms set in place and love seen through Neptune’s eyes is very porous and transcendent. Therefore, we might find Neptune aspects to be places of “hurt feelings” that weren’t necessarily intentional but nonetheless, there still needs to be accountability. Let’s use an example: suppose a synastry between two people had a Moon-Neptune aspect. These two planets working either together or against each other tend to absorb energies which means the relationship tends to be ill structured so boundaries are constantly invaded and there is also a lack of commitment. Additionally, the moon person has certain needs that the Neptune person can unintentionally ignore which creates a potential manifestation of volatility in the relationship

Nodes + Soulmates

Nodes in synastry are quite a big topic when it comes to soulmate identification. Let me start by saying this: soulmates are not singular and they are not always the most pleasant experiences. Soulmates have largely been romanticized and bolstered as this big hurrah in one’s romantic journey and there seems to be no separation after that but clearly….that’s not the case. Soulmates can loosely be identified in astrology but if someone were to be your potential soulmate it’s important to not use that as an excuse to be in an unhealthy environments. Yes, it’s true that certain soulmates are not good for us but to grasp this fact we need to dissociate from this romanticization of soulmates. Also, let me say this: soulmates are not abusive. Abusive relationships are not lessons. Point blank. Now, soulmates don’t always work out as nicely as we plan and there is usually a lesson behind these difficult (though, not ABUSIVE) relationships. They make us grow. They make us rediscover what we’ve been trying to uncover this whole time. I’ve noticed that the soulmates we must grow away from are ones that have ties to our south node and Saturn. When we think of the south node we think of the toxins left behind as the north node is the clear air we need to recenter. South node aspects in synastry are not always pleasant. They certainly start off beautifully but as time progresses the relationship doesn’t move anywhere and you might start to think there is more opportunities out there. While north node aspects are the more ideal as they signify growth in relationships the trick is that it requires a lot of work. The relationship may take time to really unfold and it must require dedication and willingness from everyone involved. Relationships like these may feel very vulnerable to breaking apart but it’s forcing to reassess and most of all, revise. Again, these types of conversations don’t include abusive relationships. The concept needs to be treated with sensitivity as the nodes in synastry could defend the containment of abusive relationships and power imbalances. Relationships are meant to be difficult but distinctions between difficult and abusive needs to be rigidly defined.

Be Happy.

The temptation of looking up your synastry with someone else is always in the linger but it’s best to wait off. From my own personal experience, computing synastries often leads to projecting personality traits onto someone who can possibly be very complex and it can also lead to entitlement. What I mean by that, if you notice that your synastry with someone else is “good” and you like them dearly you may feel as if you are entitled to a second chance or better closure. You can get egotistical and feel as if you own this person’s time. So advice would be to follow what your heart says and see how the relationship unfolds. I typically use synastry analyses as last resort options or where there is a fickle in a relationship that needs some sort of guidance. It’s a good tool to see where the conflicts have been made and what the next step can be.

article sources: “The Only Way to Learn about Relationships: Synastry Techniques” (1991) by Marion D. March, Joan McEvers

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