Create Your Synastry Chart
Professional astrology charts with NASA-grade accuracy. Simple, playful and beautifully detailed.
Relationship Compatibility Analysis
Compare Two Birth Charts
See planetary aspects between partners.
Love Compatibility Insights
Understand relationship dynamics through synastry.
Interactive Synastry Chart
Click to explore inter-aspects and connections.
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How Synastry Chart Works
Compare two birth charts in three simple steps. Our synastry chart calculator reveals relationship compatibility with NASA-accurate planetary aspect analysis.
Enter Both Birth Details
Provide birth data for both partners - date, time, and location. Accurate birth times enable precise synastry chart calculations for relationship compatibility analysis.
Compare Birth Charts
Our synastry chart calculator uses Swiss Ephemeris to analyze planetary aspects between two natal charts, revealing relationship compatibility patterns.
Interactive Synastry Chart
Click any planet to see inter-aspects between partners. Our interactive synastry chart makes understanding relationship compatibility simple and easy to explore.
Ready to discover your relationship compatibility?
Questions
and Answers
A synastry chart compares two birth charts to analyze relationship compatibility. It reveals how your planets interact with your partner's planets through aspects, showing strengths, challenges, and the dynamics of your relationship.
Our synastry calculator uses NASA-accurate planetary positions and Swiss Ephemeris calculations. While synastry provides valuable insights into relationship dynamics, compatibility depends on many factors beyond astrology.
Exact birth times provide the most accurate synastry analysis, including house overlays and ascendant aspects. However, you can still generate a meaningful synastry chart without birth times - planet-to-planet aspects will remain accurate.
Click any planet to see all aspects between the two charts. Our interactive synastry calculator lets you explore relationship compatibility in detail, with instant aspect analysis and interpretations.
Yes! Our synastry calculator is 100% free with no signup required. Generate unlimited relationship compatibility charts with professional-grade accuracy.
Absolutely. All birth data and synastry information is stored securely and never shared. You can delete your data anytime.
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Professional astrology charts with NASA-grade accuracy. Simple, playful and beautifully detailed.