Eight characters, also known as four pillars, are the eight characters of heavenly stems and earthly branches found in the calendar, which are used to represent the year, month, day and hour of a person's birth with the heavenly stems and earthly branches of heaven and earth, and together they are eight characters. Eight-character (eight-character numerology, eight-character numerology) is a method of deducing fate according to eight characters.
Since ancient China, it is a way to accurately record the year, month, day and time by using heavenly stems and earthly branches. It is composed of eight branches (* * *).
when learning horoscope, everyone should be familiar with a set of ways to change time into horoscope. First of all, beginning of spring is the beginning of a new year every year, and from beginning of spring to Jing Zhe and Yin Yue (like the first month of the lunar calendar), the month begins with the moment of "Festival" and ends with the last moment of "Qi"; Then calculate the heavenly stems and earthly branches of the moon column, the sun column and the time column in sequence.
If you want to know more about it, I suggest you read The Unity of Knowing and Doing, which talks about the knowledge of eight characters.