What was age appellation at the age of 20, 30, 40, 50, 60 and 70 in ancient times?

In ancient age appellation, 20, 30, 40, 50, 60 and 70 years old were: weak crown, standing, not confused, Ai, flower, and ancient.

Age appellation is an ancient name for age. The age of ancient people is sometimes expressed by other titles instead of numbers. Age appellation is mostly recorded in books, and has been used ever since.

The age of ancient people is sometimes not expressed by numbers, not by telling someone's age or age directly, but by an age-related title instead.

Extended data:

In ancient times, people's 60 years old were called the year of sixty, in which sixty was the son. Composed of heavenly stems and earthly branches, each branch represents one year, and 60 years is a cycle.

The twelve earthly branches correspond to the zodiac respectively, and the twenty-four solar terms are divided into twelve earthly branches. The length of every two solar terms corresponds to one earthly branch, and the twelve earthly branches also correspond to the twelve months of a year.

Furthermore, according to the solar calendar of the ancient Mayan calendar, the decimal system is adopted, that is, every thirteen digits enter one, and each digit corresponds to the twelve earthly branches.

Baidu Encyclopedia-age appellation