Generally speaking, a person's zodiac refers to the year or hour.

For example, in those days, this year was the Year of the Rat.

Heavenly stems: a, b, p, d, e, g, n, n, n.

Zhi Zhi: Zi Chou Mao Yinchen has been in Xu Hai, Shen You at noon.

Rats, cows, tigers, rabbits, dragons, snakes, horses, sheep, monkeys, chickens, dogs and pigs.

In ancient times, heavenly stems and earthly branches were arranged from Jiazi down to Gui You and JOE, which happened to be Jiazi after 60 years of arrangement.

This year is the year of Wuzi.

The Sino-Japanese War, the Sino-Japanese Treaty, the Revolution of 1911, etc.