Qi Men Dun Jia Calculator

The Nine-Palace Rotating Plate

時家奇門 Zhuan Pan chart using the Chai Bu (拆補法) ju-determination method. Enter the target moment — the engine derives the four pillars, solar term, Yin/Yang dun, ju number, Xun-Shou, Earth and Heaven plates, the Nine Stars, Eight Doors, and Eight Deities. New to Qimen? Read the short asking & reading guide first.

Picking a city auto-fills the timezone and longitude below.

The timezone reads the clock time you entered; the longitude converts it to true local solar time for the hour pillar. Both can also be edited manually.