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. It only affects births between 23:00 and midnight.

Related tools

Manseryeok Calendar Korean lunar converter, 간지 and all 24 solar terms. Wu Xing & Ganzhi 60 Interactive five elements & 60-ganzhi cycle. BaZi Four Pillars Full Four-Pillars (八字) calculator.