TimeHorse

TimeHorse — Traditional Chinese Calendar & Time Computation Tool TimeHorse is a professional computation tool for practitioners, researchers and students of the traditional Chinese calendar. It contains no interpretive or predictive content. It does one thing: convert a Gregorian moment into the time structures of the traditional Chinese calendar system, precisely and verifiably. 【Calendar & Time Computation】 • Sexagenary (Ganzhi) calendar: year, month, day and hour pillars, with months bounded by the 24 solar terms and correct handling of boundaries such as Lichun • True solar time: longitude offset and equation of time (Spencer formula) computed automatically from the birthplace coordinates; the hour pillar follows local true solar time • 24 solar terms: current term, next term and progress within the term, for any location worldwide • Twelve double-hours (Shichen): live double-hour…