In ancient China, 2022 was the year 2022, the year of the lunar calendar and the average year of the Gregorian calendar, ***365 days and 56 weeks. In ancient times, November was called "Winter Moon", also called Gu Yue and Changyue.
The ancient dates were expressed as the collective name of heavenly stems and earthly branches. Tiangan: A, B, C, D, E, Ji, G, Xin, Ren and Gui; Dizhi: Zi, Ugly, Yin, Mao, Chen, Si, Wu, Wei, Shen, You, Xu and Hai. Ten branches and twelve branches are matched in turn to form sixty basic units. The ancients used this as the serial number of year, month, day and time, which is called "the discipline of branches and branches".