Korean tradition · 사주팔자

Saju Calculator

Your Four Pillars, computed from a real Manseryeok engine — not birth-year zodiac. Solar terms resolved to the minute, with true solar time correction for your birthplace.

Local clock time, as written on your birth record.

Sets the longitude for true solar time, and the historical time zone.

Advanced settings

Longitude + equation of time. What most Korean practitioners use.

Korean schools genuinely disagree on this. It only affects births between 23:00 and midnight.

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BaZi Bone Weight Bone weight from birth date & hour. Auspicious Date Calculator Ranks every day by 건제십이신, 황흑도 and your 사주. Daily Tarot Draw your tarot cards (1–5).