Month: the first month begins in Yin, and the branches of the earth are fixed in each month, and then they are combined with the sky in turn; From the first month to the third month of the first year, February is Ding Maoyue and March is Chen Wu. From Jiaziyue to Guihaiyue, * * * sixty Jiazi, exactly five years. ?
Day: Starting from Jiazi Day, arranged in order, the 60th day happens to be a trunk-branch cycle. ?
Time: Starting from Jiazi, but the branch of punctuality is fixed, twelve hours a day. ?
Extended data
I. Sixty years of drought in ancient times
Jia Zi, Yi Chou, Bing Yin, Ding Mao, Chen Wu, Keith, Geng Wu, Xin Wei, Ren Shen, Gui You.
JOE, Yihai, Bingzi, Ding Chou, Wuyin, Jimao, Chen Geng, Xinsi, Renwu and Guiwei.
Shen Jia, Yi You, Bing Xu, Ding Hai, Woods, Ji Chou, Geng Yin, Xin Mao, Ren Chen and Gui Si.
Wu Jia, Yiwei, Shen Bing, Ding You, Wuxu, Jihai, Gengzi, Xin Chou, Ren Yin and Gui Mao?
Chen Jia, Yi Si, Wu Bing, Ding Wei, Wu Shen, Ji You, Geng Xu, Xinhai, Renzi, Gui Chou.
Jiayin, Mao Yi, Chen Bing, Ding, Wuwu, Ji Wei, Geng Shen, Xinyou, Ren Xu, Guihai.
Second, timing method (timing method)
From the need to arrange work and life. Timing methods include date planning and time planning. Date planning is to prepare a calendar to specify the date; Time planning is a descriptive method to define the time of day.
The description method of defining time is the cornerstone of compiling calendar; At the same time, the way the calendar is compiled is also counterproductive to the time planning. This entry mainly discusses time planning.
In the history of ancient China, there were mainly sixteen-hour system, ten-hour system, hundred-hour system, twelve-hour system and sixty-point method introduced with Buddhism. The "hour" mentioned here refers to the time period.
Baidu encyclopedia-ancient timing