How to Read an Astrology Compatibility Chart

Co-authored by Angel Eyedealism and Aly Rusciano

Last Updated: November 11, 2023 Fact Checked

You’re head-over-heels for your partner, but how do you know if you’re star-crossed lovers? In astrology, synastry is the practice of comparing two birth or natal charts to see if they’re truly compatible. To get started, all you need is your chart, your partner’s chart, and a list of aspects to look for. So, keep reading to learn what to search for when doing a compatibility reading.

1

Look at your sun signs.

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The sign you use for your daily horoscope represents your identity. If sun signs are compatible, there’s a positive energy surrounding the relationship. Your vibes flow as one, and you’re naturally attracted to each other’s personalities, making you a perfect match! Once you know your signs, see if they’re naturally compatible using this chart ^{[1]
X
Research source} :
- Aries: Gemini, Sagittarius, Leo
- Taurus: Cancer, Capricorn, Pisces
- Gemini: Libra, Aquarius, Aries
- Cancer: Taurus, Scorpio, Virgo
- Leo: Sagittarius, Aries, Gemini
- Virgo: Taurus, Cancer, Capricorn
- Libra: Aquarius, Gemini, Sagittarius
- Scorpio: Cancer, Capricorn, Pisces
- Sagittarius: Aries, Aquarius, Leo
- Capricorn: Taurus, Pisces, Virgo
- Aquarius: Sagittarius, Libra, Gemini
- Pisces: Scorpio, Cancer, Capricorn
- To find your sun sign, you need to know your birth date, time, and location. ^{[2]
 X
 Expert Source
 
 Angel Eyedealism
 Astrologer & Performance Artist
 
 Expert Interview. 8 December 2021.}

2

Compare your ascendant and descendant signs.

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The ascendant represents physical attraction, and the descendant represents what you need in a partner. Check to see if your descendant signs match up with each other by looking on the right side of your birth chart. The zodiac sign on the axis labeled DC is your descendant sign. You can do the same with your ascendant sign by looking at the left side of your chart on the axis labeled AC. ^{[3]
X
Research source} Follow this chart to see if your signs are compatible:
- Aries: Gemini, Sagittarius, Leo
- Taurus: Cancer, Capricorn, Pisces
- Gemini: Libra, Aquarius, Aries
- Cancer: Taurus, Scorpio, Virgo
- Leo: Sagittarius, Aries, Gemini
- Virgo: Taurus, Cancer, Capricorn
- Libra: Aquarius, Gemini, Sagittarius
- Scorpio: Cancer, Capricorn, Pisces
- Sagittarius: Aries, Aquarius, Leo
- Capricorn: Taurus, Pisces, Virgo
- Aquarius: Sagittarius, Libra, Gemini
- Pisces: Scorpio, Cancer, Capricorn
- You also use your time, date, and place of birth to calculate these signs. ^{[4]
 X
 Expert Source
 
 Angel Eyedealism
 Astrologer & Performance Artist
 
 Expert Interview. 8 December 2021.}
- If your ascendants are compatible, chances are you’re physically attracted to each other.
- If your descendants are compatible, you’re most likely soulmates.

3

Analyze your moon sign.

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The moon governs your inner needs and desires. What you hope to achieve in a relationship emotionally and long-term can be found by looking at the characteristics of your moon sign. To find your moon sign , locate where the symbol “☽” is on your birth chart. The zodiac sign paired with this symbol is your moon sign. If you share the same moon sign as your partner, you’re soulmates! ^{[5]
X
Research source} If you don’t share the same sign, no worries—check to see if your signs are compatible with this chart:
- Aries: Sagittarius, Leo
- Taurus: Capricorn, Virgo
- Gemini: Libra, Aquarius
- Cancer: Scorpio, Pisces
- Leo: Sagittarius, Aries
- Virgo: Taurus, Capricorn
- Libra: Aquarius, Gemini
- Scorpio: Cancer, Pisces
- Sagittarius: Aries, Leo
- Capricorn: Taurus, Virgo
- Aquarius: Libra, Gemini
- Pisces: Scorpio, Cancer
- You can look up your moon sign online using your time, date, and place of birth, or you can also consult an ephemeris, which is a list of all the planetary alignments. ^{[6]
 X
 Expert Source
 
 Angel Eyedealism
 Astrologer & Performance Artist
 
 Expert Interview. 8 December 2021.}

4

Check where Venus and Mars are on your charts.

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Overlapping planetary alignments could mean you’re meant to be together. Venus is the Goddess of Love, whereas Mars is the God of War. ^{[7]
X
Expert Source

Angel Eyedealism
Astrologer & Performance Artist

Expert Interview. 8 December 2021.} Together, these planets represent the battle of love and relationships. Notice what houses these planets rest in on your charts. If your Venus is in the house where your partner’s Mars is (or vice versa), this could mean you’re star-crossed lovers. ^{[8]
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Research source}
- Venus is represented by the symbol “♀” on your birth chart, and is the planet of attraction, relationships, and love.
- Mars is represented by the symbol “♂” on your birth chart, and is the planet of passion, sex, and motivation.

Quiz

wikiHow Quiz: What Zodiac Sign Am I?

Have you ever looked up your sign, read the description, and thought: “What? That doesn’t sound like me at all…”? Sun signs, contrary to popular belief, don't tell your whole story. In reality, you have an entire birth chart filled with 12 signs that affect you in unique ways. And depending on the house they fall into, each sign might look different on different people, too. Tell us about yourself with this quiz, and we’ll tell you which zodiac sign really describes you.

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