What does it mean to enter hexagrams on the moon in China and Japan?

The theory that the sun and the moon are composed of hexagrams

Author: Qingyi Language Hall

Six hexagrams divination-a brief introduction to the divination of the sun and the moon

The sun and the moon enter the divination: it refers to spending the same place as the sun and the moon in the divination. There are the following situations:

1, the sun and the moon quietly entered divination.

2, the sun and the moon entered the divination.

3. If the moon breaks, it will enter the divination, and if it dies, it will enter the divination.

4. The sun and moon are changing.

5, the sun and the moon enter the Tibetan.