How old is Jiazi? How old is Jiazi?

60 years. Jiazi is one of the main branches, and the order is the first. The former is Gui Hai and the latter is Ugly. In the chronology of ancient China, heavenly stems and earthly branches combination was used, and A, B, C, D and Zi Chou were combined to ***60. Jia Zi was the first combination, and it was repeated every 60 cycles. When the cycle was finished, the cycle would continue from the year of Jia Zi.

The arrangement order of the chronology of trunk and branch in Jiazi

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, Yiyou, Xu Bing, Dinghai, Wuzi, Ugly, Gengyin, Xinmao, Renchen and Qiuci.

Wu Jia, Yiwei, Shen Bing, Ding You, Wuxu, Jihai, Gengzi, Xin Chou, Renyin and Guimao.

Chen Jia, Yi Si, Wu Bing, Ding Wei, Wu Shen, You You, Geng Xu, Xinhai, Ren Zi, Gui Chou.

Jia Yin, Yi Mao, Chen Bing, Ding Si, Wu Wu, Wei Wei, Geng Shen, Xin You, Ren Xu, Gui Hai.

The laws of years and months are divided by solar terms:

Chronology, with sixty years in turn chronology, sixty years as a cycle. For example, 19 1 1 was the year of Xinhai, and the Revolution of 1911 broke out. After the handover in spring, the new year begins. For example, in beginning of spring in 2006, it was at 7: 27 am on February 4th, so 7: 26 was still the year of B-You and 7: 27 was the year of C-Xu.

In the same way, the moon is also recorded in turn with sixty jiazi. A new month begins with a solar term. For example, on March 6, 2006, 0 1: 29 was a shock, so before that, it was Geng, and then it was Xin Maoyue.

Gregorian calendar year and Gregorian calendar month are divided according to solar terms. However, the intersection time of solar terms can only be determined after precise observation of astronomical phenomena, which reflects the running position of the solar system and the earth in the universe.