(Terminology) The core monument of life is the star of the core monument of life. Chen Yuan is a year in his life.
It's the year when a person was born. For example, this year is an ugly year, and Chen Yuan, the core monument of people born in this year, is ugly.
This is the Sixty Jiazi (Sixty Jiazi is composed of heavenly stems and earthly branches).
Immortals are precious and infinite people.
Wu Fusheng Tianzun