Lunar almanac · real calendar
📅 Good-Day Picker
Pick any date and read it like a full almanac: hoàng đạo/hắc đạo day god, trực duty officer, lucky hours, the 28 lunar mansions, virtue and ill stars of the month (Sát chủ, Thọ tử, Vãng vong), set-out directions and hours, Pengzu’s taboos — plus a two-week strip to hunt for the next good day. Add your birth date to match each day against your own age: clashes, harmonies, punishments and the Tam Tai cycle.
🔭 Next 14 days
📅 The hoàng đạo/hắc đạo system is folk tradition from the lunar almanac, not science — a good plan on a 'bad' day still beats a bad plan on a 'good' one. Day gods follow the classic month-branch cycle; trực follows the day-branch versus month-branch rule.