1. Ganzao means male life, that is to say, a male birthdates. Being a man in Zhouyi. "make": nature. The whole is: (a) man's nature.
2. Sentence making: Ganzao and Kunzao refer to the birthdays of both men and women, from which the diviner infers the auspicious day of their marriage.
3. From the point of view of 6 Jiazi, we should first know this person birthdates, and then calculate. There are ten trunks, twelve branches, the yang trunk is matched with the yang trunk, the yin trunk is matched with the yin trunk, and the other two branches are properly matched from A. Combining the ten trunks with the twelve branches, the minimum common multiple is 6, so it is called Sixty Jiazi, also known as Sixty Flower Jiazi. In ancient times, the trunk was used to record the year. There is a saying that there is a cycle of sixty years. An old man in the folk said: My age is over one Jiazi, which means I am over sixty years old, and sixty. Used to record the day, it is a cycle of two months (3 days a month); When it is used to record time, it is a cycle of five days (twelve hours a day).