Synastry & Composite Chart Compatibility Calculator
Compare two birth charts to analyze compatibility, revealing harmony and potential conflicts in relationships
Quick match · no sign-up
Just two birth dates? Get an instant zodiac match
No birth time needed — see your sun-sign compatibility right away. For the precise chart-to-chart reading, use the full calculator below.
First Person
Time of birth affects rising sign and house positions
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Choose a city from the suggestions so we can use its coordinates.
Second Person
Time of birth affects rising sign and house positions
Start typing city name...
Choose a city from the suggestions so we can use its coordinates.