In our country, the word "heavenly stem" is a traditional expression of order.

There are 65,438+00 words in Tian gan yi * *: A (ji m), B (yǐ), C (bǐng), D(Děng), E (wù), J (jǐ) and G (gēng ?

Heavenly stems refer to the ten heavenly stems in heavenly stems and earthly branches. Yuan Xungan said: "To meet, to be enlightened, to be gentle, to be strong, to be harmonious, to slaughter, to be impressed, to emphasize light, to be mysterious and to shine." Simplified heavenly stems say: "A, B, C, D, E, F, G, D".

Extended data

Zi, Ugly, Yin, Mao, Chen, Wu, Shen, You. Also known as the Twelve Branches. In ancient China, twelve places were used to mark the time and the moon. Geochronology is to divide a day into 12 time periods, which are represented by twelve geochronologies, that is, 23 ~ 1 in real time, 1 ~ 3 in ugly time, and so on, which is called twelve hours.

Lunar calendar means that the month where the winter solstice is located is the next month, the next month is the ugly month, and so on. The land is dominated by ten days, forming Jia Zi, ugly career ... Guihai, which is used to record the year, month and day with a cycle of 60.

Twelve earthly branches: in the trunk calendar, a year is divided into twelve days, and the "sword" represents the direction of the top of the bucket handle of the Big Dipper; In ancient astronomy, bucket handle and the Big Dipper were called "swords". During the year, bucket handle was rotated, which successively referred to "Twelve Chens" and was called "December Sword" (or "December Order"). December is a sunny month based on twenty-four solar terms, which is different from the lunar month (Wang Shuo, divided into the first fifteen grades) and has twelve branches, such as Jiazi, Jianchou and Yin Jian.

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