Chen Jianian is the first Jiazi in the lunar calendar. According to the general theory of Sanshengshe, it is to cover the lamp, and this year's stone prevention is shadow stone, just like the so-called branch chronology of the lunar calendar in 2024, 1964, 1904(60-year cycle), that is, branches are literally equivalent to trunks and branches. In ancient China, the sky was dominant and the earth was subordinate. The connection between heaven and stem is called heavenly stem, and the connection between earth and stem is called earthly branch. Together, it is called heavenly stems and earthly branches, or "dry branch" for short.
Chen Jia is one of the main branches, and the order is 4 1. The former is Gui Mao and the latter is Yi Si. On the five elements of yin and yang, the heavenly stems belong to the wood of yang, and the earthly branches belong to the soil of yang, which is a kind of wood soil.
Heavenly stems and earthly branches related introduction
There are ten branches, namely, A, B, C, D, E, Ji, G, Xin, Ren, Gui, and twelve branches in turn, namely Zi, Ugly, Yin, Mao, Chen, Si, Wu, Wei, Shen, You, Xu and Hai. The ancients put them together in the order of Jiazi, Ugly B and Bingyin (that is, the sky turns six times and the earth turns five times, which is just a cycle). There are 60 pairs of Jiazi to Guihai, which are called Jiazi.
Ten heavenly stems and twelve earthly branches are matched in turn to form sixty basic units, and they cooperate with each other in a fixed order to form the chronology of the stems and branches. Heavenly stems and earthly branches's invention has far-reaching influence, and he still uses heavenly stems and earthly branches in calendar, tricks, calculation, naming and so on.