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Synastry

Synastry is relationship astrology — the art of comparing two birth charts to reveal the chemistry, harmony and friction between two people. Explore the placements and aspects that shape a bond.

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What Is Synastry?
How two birth charts speak to each other
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Sun Sign Synastry
Where core identities meet
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Moon Sign Synastry
Emotional chemistry and the sense of home
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Venus & Mars Synastry
Attraction, romance and physical chemistry
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Synastry & the Houses
Where a partner's planets land in your life
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The Composite Chart
The chart of the relationship itself
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Synastry Aspects Explained
The angles that make or challenge a bond
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Karmic Synastry Signs
The markers of a fated connection

Check your compatibility

Synastry maps the chemistry between two charts — our free calculator gives you an instant compatibility reading. See how your numbers align.

Free Compatibility Reading