When did the ancients say this year was?

The ancients said to use the heavenly stems and earthly branches calendar year, and this year they used the heavenly stems and earthly branches calendar year.

Heavenly stems and earthly branches, referred to as Ganzhi for short, originated from the observation of astronomical phenomena in ancient China. Ten dry words: encounter, enlightenment, gentleness, firmness, harmony, Tu Wei, Shang Zhang, heavy light, mystery, sunshine. The twelve earthly branches say: sleepy head, red heart, taking photos, one hand, holding beard, falling flower, Dunyi, Qi Xie, Qitan, and Dayuanxian.

Ten heavenly stems and twelve earthly branches are matched in turn to form sixty basic units, and they cooperate with each other in a fixed order to form the chronology of the stems and branches. Heavenly stems and earthly branches's invention had a far-reaching impact, and heavenly stems and earthly branches still uses it today, for calendar, technology, calculation, naming and so on.

Extended data:

1 ~ 10 Jia Zi B Chou Bing Yin? Ding Wei? Chen Wu is Gengwu Xin Wei Renshen Gui You.

1 1~20 JOE? Yi hai? Bingzi Ding Chou, Wu Yinji Mao, Chen Geng, new four people, five returns to the tail.

2 1~30 Shen Jia Yiyou? Bing Wei? Is Ding Hai Wuzi ugly? Geng yinxin Mao Chen ren si

3 1~40 Wu Jia B failed to apply for Ding You, and the Reform Movement of 1898, Ji Hai Geng Zi Xin Chou Ren Yin? Guimao

4 1~50 Chen Jiayi 4 Wu Bing Ding Wei Ji Shen has more, and Xinhai people are ashamed of themselves.

5 1 ~60 Jiayin? Mao Yi? Bing Chen, Ding Wu, Si Wu, Wu Wu, has not been bothered by Geng Shen? Hey? Guihai

The chronology is arranged in order of sixty jiazi, and takes sixty years as a cycle. The new year of Ganzhi calendar year began on February 4th, 2009 in beginning of spring. Therefore, February 4th, 20 19 is the year after beginning of spring, and before that it should be 1898. People who are not familiar with this are prone to make mistakes, so we should pay special attention.