SajuPaste

Calculate your Four Pillars (Saju / BaZi) chart for any birthplace in the world, then copy the text and paste it into ChatGPT, Claude or Gemini to get your reading. Nothing is stored.

Birth dateBirth time

I don't know my birth time (the Hour pillar will be left out)

Gender

Calendar

Birth place

Where the birth happened. It sets the true solar time.

Leave empty to calculate as Seoul, Korea (KST).

Chart engine based on ssaju (MIT). City data from GeoNames (CC BY 4.0). Day and Hour pillars use true solar time at the birthplace; Year and Month pillars use exact solar-term boundaries.