Free Synastry Chart Calculator

Compare two natal charts and discover the deeper layers of your cosmic connection — emotional, spiritual, and beyond.

Person 1

First Name

Date of Birth

Birth Time (optional)

Gender

Person 2

First Name

Date of Birth

Birth Time (optional)

Gender

Casting your synastry chart…

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Synastry Score

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Planetary Positions & Aspects

Planet	Person 1	Person 2	Aspect	Influence

Compatibility Breakdown

Aspect Summary

Sun Sign Synastry

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House Overlays

Cosmic Narrative

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Frequently Asked Questions

☿ For entertainment & self-discovery · Based on Western Astrology principles · Results are interpretive, not predictive

Synastry Chart Calculator