Begin with your story
Confirm the time basis, location and historical timezone before applying solar correction.
Confirm your birthplace and time, apply true solar time, and explore your Four Pillars and luck cycles with transparent calculation rules.
A little perspective for
whatever comes next.
Enter a Gregorian date, birth time and place. An unknown time produces candidate three-pillar charts.
Calculations run in your browser. Birth details are not uploaded or saved; refreshing clears them.
Confirm the time basis, location and historical timezone before applying solar correction.
Year and month follow solar terms; day and hour use true solar time.
Missing or boundary data produces candidates, not an invented exact answer.