Heavenly Stems (天干) and Earthly Branches (地支) calculations. Used for year/month/day pillars in traditional Chinese timekeeping.
Get day GanZhi as a formatted string
Julian Ephemeris Day
Day GanZhi string, e.g., "甲子"
Heavenly Stems (天干) and Earthly Branches (地支) calculations. Used for year/month/day pillars in traditional Chinese timekeeping.