What do you mean by "non-Chen Guisi"

There are ten days of work: A, B, C, D, E, G, G, Xin, people and ghosts.

There are twelve branches, ugly, yin, Mao, Chen, Si, Wei, Shen. Also known as the Twelve Branches. In ancient China, twelve places were used to mark the time and the moon. Geochronology is to divide a day into 12 time periods, which are represented by twelve geochronologies, that is, the current time is 23 ~ 1, the ugly time is 1 ~ 3, and so on, which is called twelve hours. Lunar calendar means that the month where the winter solstice is located is the next month, the next month is the ugly month, and so on. The land is dominated by ten days, forming Jia Zi, ugly career ... Guihai, which is used to record the year, month and day with a cycle of 60.

With the combination of heavenly stems and earthly branches, there can be 60 different combinations representing 60 years, such as Guisi representing Guisi Year.

The 30th year of a cycle in China's traditional calendar is called "Qiuci Year". In the following AD years, the number of years over 60 is divided by 33, or the number of years is reduced by 3, and the remainder of division by 10 is 0, and the remainder of division by 12 is 6. The years from beginning of spring to beginning of spring the following year were "lost years".

Gui Siyue

The dry year C and the New Year, the period from long summer to awning, are the fourth month:

I hope the above answers can help you, and good luck ~!