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Tung Shing (Chinese Almanac)

Each day's stems and branches, solar term, day officer, clash and Peng Zu taboos at a glance; tap below the day to see the do's and don'ts. Calculated in Hong Kong time.

Month

Clash, punishment and harmony days for you and your family (tap to fill in)

Enter your own or family members' birth dates. Each birth-year stem and branch (the year changes at the Start of Spring) is compared with each day's: days whose branch clashes with the birth-year branch are marked clash (almanacs list these as days to watch), days in a punishment relation with it get a dashed outline and are marked punishment (worth watching, lighter), and days forming a six-harmony with it are marked harmony (classical texts count these among the favourable). Everyone gets roughly 2–3 clash days and 2–3 harmony days a month; punishment days depend on the sign, 0–5 a month, with none for Dragon, Horse, Rooster and Pig. Only the birth-year pillar is used; nothing else is counted. A reminder within Chinese metaphysics only — not a basis for investment or any other decision.

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About this page

Almanacs differ from one publisher to another. We spot-checked 6 days across two months (the 9th and 1st lunar months) against the monthly tables of the Qing imperial almanac Xie Ji Bian Fang Shu: the day officer matched on all 6 days, and the auspicious and inauspicious spirits matched word for word. The do's and don'ts come from the library and use a different vocabulary from the Xie Ji; on 3 of the 6 days the same activity was suitable in one and to be avoided in the other. They may also differ from your printed almanac. If your family has its own master, follow the master.

How the clash and sha are found: the clash takes the branch opposite the day branch (Rat–Horse, Ox–Goat, Tiger–Monkey, Rabbit–Rooster, Dragon–Dog, Snake–Pig) with the stem that the day stem overcomes, giving the stem-branch year it clashes with (e.g. a Yi-You day clashes with Ji-Mao). The sha direction follows the day branch's three-harmony group: Shen-Zi-Chen days south, Yin-Wu-Xu days north, Hai-Mao-Wei days west, Si-You-Chou days east.

The do's and don'ts are listed as in the library's original table, including traditional items such as praying for children (medical items are left out); this site only offers scholarly explanation.

Dates are in Hong Kong time (UTC+8). Current range: 2026-10-01 to 2028-02-29.

Basis for clash and harmony days: the Xie Ji Bian Fang Shu says a person's birth-year branch should not be clashed — Tian Ke Di Chong when the stem is also overcome, Tian Bi Di Chong when the stems are the same — and that the birth year favours a six-harmony. The same book ranks a clash by the year as heaviest, by the month next and by the day lighter still, so these are reminders only. The San Ming Tong Hui says clashes can be good or bad and cannot be judged one way. These rules were written for choosing dates using all four pillars of the day an event takes place; here only the day pillar is used, so it is a borrowing.

Basis for punishment days: the same book's date-selection song says to avoid overcoming, breaking, punishment and clash, and its section on hours says branch relations of breaking, punishment and harm are unfavourable, likewise when compared with the year and month. Its section on the birth year discusses only clash, not punishment, so punishment is placed one step below clash and marked lighter. Tiger–Monkey and Ox–Goat are both a clash and a punishment and are listed as clash; Snake–Monkey is both a harmony and a punishment and is listed under both.

For reference and study only; not a basis for any decision.

Calculation library lunar-python (MIT licence, by 6tail)

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