Heavenly stems and earthly branches has no ugly years. Over the years, in heavenly stems and earthly branches, the Yang trunk was matched with the Yang branch, and the Yin trunk was matched with the Yin branch. Gan Yang has A, C, E, G and ren. There are B, D, G, Xin and Gui in Yin. Yang branch has children, Yin, Chen, Wu, Shen and Xu. There are ugly, ugly, awkward, unfinished, unitary and painful yin branches. Heavenly stems and earthly branches is the beginning of Jiazi, and heavenly stems and earthly branches takes the next cycle, followed by Jiazi, followed by Bingyin, Gui You, JOE, Yihai, Bingzi, Ding Chou and so on. Because there are even air stems of 10 and air branches of 12, there will be no combination of even air stems and odd air branches.

Chronology of cadres and branches

Refers to the calendar of China, which has been used since ancient times. The trunk is heavenly stems and earthly branches's floor. Match the order of branches, a week is 60, and repeat the record, which is also commonly known as "branch table". The chronology of cadres and party branches begins in beginning of spring every year and enters the next year. It should be noted that the second year is not celebrated by the Spring Festival, nor by the first day of January in the solar calendar, but by beginning of spring. The chronology of cadres and party branches can push the historical time up and down, forward and backward, which is infinite. But someone did design a starting point to open the world on this basis. The legend of the chronology of cadres and branches comes from the era of the Yellow Emperor. In fact, it sprouted in the early years of the Western Han Dynasty, began with Wang Mang and spread after the Eastern Han Dynasty. Some people think that China used the official calendar before Emperor Wu of the Han Dynasty. In fact, it is the year of the year, and the year of the year is combined.