In our country, there are several traditional expressions of order.

There are 10 words in Tian gan yi * *: A (Ji ǐ), B (yǐ), C (bǐng), D(Dǐng), E (W ǐ), J (jǐ), g (.

The word * * * is Zi zǐ, Ugly chǒu, Yin yín, Mao M ǐ o, Chen chén, Si Si, Wu, Wei wǒI, shēn shǒn, You yǒu, xū, Hà i; Hi.

"heavenly stems and earthly branches", referred to as "dry branch", is also called "dry branch". There is a saying in the predecessors: "The sky is dry, the wood is dry, and the strength is yang; : branches, branches of trees, weak and cloudy. "It can be seen that it is called the original intention of the dry branch. There are ten kinds of heavenly stems, and their order is: A, B, C, D, E, G, Xin, Ren and Gui. There are twelve earthly branches, and their order is: Zi, Ugly, Yin, Mao, Chen, Si, Wu, Wei, Shen, You, Xu and Hai.