Ephemeris-grade · Astronomy Engine (VSOP87)

Advanced Chart Calculator

Enter a birth city — we'll handle coordinates, timezone, and historical DST automatically. Calculations run entirely in your browser with arcminute accuracy.

Don't know? Try 12:00 (noon chart)

Fill in the fields above and click Calculate Chart.

Astronomy Engine · Arcminute accuracy · Open-Meteo geocoding · Calculations run entirely in your browser

Explore your free birth chart with the birth chart calculator .

Explore your free birth chart with the birth chart calculator .

Explore your free birth chart with the birth chart calculator.