What are the annual column, the moon column, the sun column and the time column?

There are twelve branches: Zi Chou Yin Mao, Tatsumi Shen You Xu Hai at noon.

Heavenly stems and earthly branches, such as Jia Zi, Yi Chou, Bing Yin and Ding Mao-

Sixty chapters of Return to the Sea. These are sixty flowers, and they are still going on. In ancient times, it was used to record years, months, days and hours. This is the "four pillars"-the annual column, the moon column, the sun column and the time column. Each column consists of 60 flowers. The four pillars together have eight characters, so they are also called "eight characters". A person's birth time is called the date of birth, which is the password of life. By analyzing the restraint of yin and yang and five elements in the eight characters, we can infer the gains and losses of a person's life. In the folk custom since ancient times, if you want to do great things, such as building a house and getting married, you should choose an auspicious day-that is, a good horoscope to avoid misfortune.