Stellune
Search for zodiac compatibility and you’ll find endless tables rating Leo with Scorpio or Virgo with Pisces. They’re fun, and there’s some sense in them. But two Sun signs are a small slice of two people. How astrologers actually compare charts, and how to get something useful out of it.
Start with the elements
The simplest and most reliable part of Sun sign compatibility is the element each sign belongs to.
| Element | Signs | Gets on easily with |
|---|---|---|
| Fire | Aries, Leo, Sagittarius | Fire and Air |
| Earth | Taurus, Virgo, Capricorn | Earth and Water |
| Air | Gemini, Libra, Aquarius | Air and Fire |
| Water | Cancer, Scorpio, Pisces | Water and Earth |
Signs of the same element share a temperament. Fire and Air feed each other (air fans a flame); Earth and Water steady each other. Fire with Water, or Earth with Air, tend to need more translation, which isn’t a bad thing, just a different kind of relationship. (More in our guide to fire, earth, air and water signs.)
Opposite signs
Each sign has an opposite six signs away: Aries and Libra, Taurus and Scorpio, Gemini and Sagittarius, Cancer and Capricorn, Leo and Aquarius, Virgo and Pisces. Opposites tend to attract strongly. Each is strong where the other is weaker, which is exciting and occasionally exhausting.
The five comparisons that matter most
When we compare two charts in our app, we look at these, in roughly this order of importance:
- Sun with Sun: who you each are at heart.
- Moon with Moon: whether you meet each other’s emotional needs. Many astrologers think this matters more than the Sun for living together.
- Venus with Mars, both ways: attraction. Her Venus with his Mars, his Venus with her Mars (or whatever pairing applies to you).
- Venus with Venus: how you each show love and what you enjoy.
- Mercury with Mercury (especially for friends and colleagues): how you talk and think.
A pair with an awkward Sun match but warm Moons and a strong Venus–Mars link will often feel much better together than the Sun signs suggest.
Why a score is only a starting point
Our app does give a compatibility score, blending the zodiac comparison with the Chinese zodiac. We treat it as a conversation starter, not a verdict, for three reasons:
- Charts describe tendencies, not outcomes. Two people decide how to handle their differences.
- Friction can be useful. Many good partnerships are built between people who challenge each other.
- Timing and circumstance matter. The same pair can struggle at 22 and thrive at 35.
Using compatibility well
The most helpful thing a comparison can do is give you words for something you’ve already felt. “You need to talk things through; I need a day to think” is easier to work with once you can see it’s a Gemini Moon meeting a Capricorn Moon, not a sign that one of you doesn’t care.
A good exercise: each read the other person’s Moon sign description out loud and ask, “Is this true for you?” It often opens a better conversation than any score.
Questions people ask
What are the most compatible zodiac signs?
Signs of the same element, and the complementary pairs Fire with Air and Earth with Water, are traditionally the easiest matches. Real compatibility depends on the whole chart.
Do opposite zodiac signs attract?
Often, yes. Opposites tend to feel a strong pull and balance each other’s strengths, though they also see many things differently.
Is Sun sign compatibility accurate?
It’s a reasonable first look, but the Moon, Venus and Mars usually tell you more about how two people get on day to day.
Do I need my partner's birth time?
It helps, especially for the Moon and rising sign. With only dates, you can still compare Suns, Venus, Mars and usually Moons.
Astrology here is for reflection and self-understanding. It doesn't predict events, and it isn't medical, legal or financial advice.