The sun column, in the words of life science, starts from midnight to midnight clockwise, with twelve hours as a day, and each hour takes up two hours. The dividing line between day and day is midnight, that is, eleven o'clock at night. Before eleven o'clock is the last day of Shihai, and after eleven o'clock is the next day.
Extended data
The Japanese column method divides the 60-day column of Chinese characters into three levels: upper, middle and lower.
Jia Zi, Chen Wu, Geng Wu, Bing Zi, Chen Geng, Xin Si, Ren Wu, Ding Hai, Woods, Gui Si, Ding You, Ji Hai, Gui Mao, Yi Si, Ji You, Jia Yin, Yi Mao, Bing Chen, Geng Shen, Xin You, Ren Xu.
26 medium-sized daily newspaper columns:
Yi Chou, Bing Yin, Ding Mao, Keith, Xin Wei, Jia Xu, Yi Hai, Ding Chou, Wu Yin, Gui Wei, Bing Xu, Ji Chou, Geng Yin, Ren Chen, Wu Jia, Yi Wei, Bing Shen, the Reform Movement of 1898, Xin Chou, Ren Yin, Chen Jia and Ding.
13 inferior heliostats:
Renshen, Gui You, Jimao, Shen Jia, Yiyou, Xinmao, Gengzi, Bingwu, Wushen, Renzi, Dingxi, Wuwu and Guihai.