Ask how to calculate the time column in the eight characters and how to get it. I know you can check the perpetual calendar in the first three columns, but I don't know how to do the time column.

Time is determined by the time represented by the previous twelve branches. In the morning and evening, the next day is after 23 o'clock. The formula for matching time with the sky is as follows:

A also needs a; Ethyl heptyl c for the first time.

Propane starts from e; Ding Ren Geng Zi Ju.

What is the prescription for fifteen? Lunzi is the true way.

The usage of this formula means that when the heavenly stems are the first, they are the first, that is, the first is the second, and the first is the third, that is, the other is the same. For example, on the afternoon of March 5, 2002 17: 40, the four columns are: the first day of the year, the first day of the month, the first day of the month and the second day of the year. Please note that the time we use is based on the current calendar.