What did people call birthdays in ancient times?

In ancient times, people called birthdays, which were transformed into four groups of heavenly stems and earthly branches according to three factors: date of birth, time of birth and place of birth. The eight characters are also called four columns, and one column corresponds to a group of branches.

For example, Anonymous was born on1986 August 23rd 14: 08 in Linli County, Changde City, Hunan Province. Using the online spelling tool, he found that his birthday was: Bing Yin Bing Yin Hai.