Swiss Ephemeris Precision

Zodiacarta

Professional astrology charts in your browser

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Precise birth charts with Swiss Ephemeris accuracy. Multiple house systems, aspects, and fixed stars.

Transits & Returns

Track planetary transits in real-time. Calculate solar and lunar returns for any year.

Compare two charts side by side. Cross-aspect analysis with interpretation keywords.

Everything you need

Progressions & Solar Arc

Secondary progressions and solar arc directions

Annual house activation with Lord of the Year

Medieval planetary periods and sub-periods

Zodiacal Releasing

Hellenistic 4-level timing from Vettius Valens

Lunar phases, void of course, daily sign

Solar and lunar eclipse calendar with impact analysis

Find the best time to start anything

Astrocartography

World map showing where planets are angular

Harmonic Charts

Hidden patterns through harmonic multiplication

The soul chart — your deeper spiritual patterns

AI Interpretation

AI-powered chart reading by Claude

Planet Speed Graphs

Retrograde stations and speed variations