BaZi (Four Pillars) Calculator

Enter a solar (Gregorian) birth date, time, and time zone below to instantly compute the Four Pillars (BaZi): year, month, day, and hour stem-branch pairs, the day master, and the Five Elements distribution.

Opens a permanent result page with this date, time, and time zone in the URL.

Four Pillars computed with lunar-typescript from the local clock date and time you enter for the selected time zone; no UTC conversion is applied · Last updated 2026-09-11