What does eight characters mean? What does eight characters mean?

2. The eight-character birthday is a person's date of birth. Eight characters play an important role in Han folk beliefs. The stems and branches of a year form a column of years, the stems and branches of a month form a column of months, the stems and branches of a day form a column of days, and the stems and branches of a year form a column of times. A total of four pillars, four stems and four branches, a total of eight words, so it is also called four pillars and eight characters. The prediction model of four-column increase in transportation and flow year is called split level; The four-column sun-moon method belongs to the four-column complete prediction technology and method.