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How to calculate the calendar in China?

Chronological method of stem and branch

1. Decadal Chronology is a traditional chronological method in China.

1. The meaning of trunk and branch: trunk and branch are the general names of heavenly stems and earthly branches.

Dry refers to heaven, * * * with 10 symbol:

1 2 3 4 5 6 7 8 9 10

Methyl ethyl propyl butyl hexyl heptyl octyl non decyl

Refers to the earth, * * * with 12 symbol:

1 2 3 4 5 6 7 8 9 10 1 1 12

The child is ugly, and the mother hasn't applied this afternoon.

2. The combination of stem and branch is used for dating. That is to say, the ten-day stem and the twelve-day branch are combined to form the stem and branch for dating. According to this arrangement method, 60 branches can be formed after six rounds of arrangement 10 symbols and five rounds of arrangement 12 symbols for ground branches on the same day. If it continues to be discharged, it will return to its original state again and again, which is what the folks call "sixty years of turning to Jiazi".

2. View the perpetual calendars of different time periods. For example: 15 16-2060 calendar, remember the branches of 500 years, and you will know at a glance.

Sixty years jiazi (branch table)

Extended data

In ancient China, heavenly stems and earthly branches was used as the method to calculate the year, month, day and time, that is, each heavenly stems and earthly branches was paired in a certain order without repetition, and was used as the code of the year, month, day and time. Put a word in the front "heavenly stems" and a word in the back "earthly branches", thus forming a pair of stems and branches.

Resources _ Baidu Encyclopedia?