Generate accurate natal charts, transits, progressions, solar returns, and advanced astrology reports using the same calculation engine trusted by astrologers worldwide.
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Everything needed for serious chart analysis.
Accurate planetary positions, aspects, and house placements.
Track current planetary movements against your birth chart.
Analyze long-term personal development and planetary cycles.
Compare two charts and explore relationship dynamics.
Swiss Ephemeris is the industry-standard calculation system used by astrology software and practitioners worldwide. Astrodienst delivers the same trusted precision available on astro.com.
Explore advanced chart types and techniques.