Birthday horoscopes, or eight characters, are actually another way of saying the four pillars in the Zhouyi terminology. The four pillars refer to the time of birth, namely year, month, day and hour. Humans use one word each for heavenly stems and earthly branches to express year, month, day and time, such as Jiazi year, Bingshen month, Xinchou day, Renyin time, etc. Each column has two characters, and four columns have eight characters, so fortune telling is also called "testing eight characters". According to the relationship between the heavenly stems, earthly branches, yin and yang and the five elements' attributes, we can speculate on the faults, misfortunes and blessings of the human body. But what we are going to talk about here is not how to "test the horoscope", but how to calculate the horoscope.
The four pillars are arranged in eight characters.
The four pillars refer to the year, month, day and time of a person's birth. The arrangement of the four pillars refers to finding out a person's birth date and horoscope. It is mainly carried out in four steps.