Read the Gregorian birth date
The month and day determine the conventional Western sun sign. Dates near a sign transition receive a cusp warning instead of manufactured certainty.
From date to weave
Four steps from a birth date to a layered profile.
The free calculator runs locally in your browser. Here is what happens after you press the button, minus the traditional software ritual of collecting an email first.
Resolve the Chinese year correctly
The default path converts the date against the actual Lunar New Year boundary. The optional Li Chun (beginning of spring) method follows a Chinese astrology convention.
Add the year element and polarity
The Chinese year supplies Wood, Fire, Earth, Metal, or Water plus Yin or Yang. These modifiers distinguish people who share the same animal across different 60-year cycles.
Compose the Zodiac Weave
The Western and Chinese profiles are combined into one of 144 archetypes, with strengths, shadow patterns, and a route into the compatibility model.
Try the actual thing
Your date stays on your device.
Shared links contain only the calculated signs and year layer. They never include the entered birth date.
Find my Zodiac Weave