The time unit of the chronology: 100 million years is one yuan, 100 million yuan is one era, 100 million years is one generation, and 100 million generations is one epoch.

The unit of time described in the short period of time: a flick of a finger is 20 moments, an instant is 30 moments, an instant is 900 births and deaths, a lifetime is 3,000 original origins, a primitive evolution is 9,000 divine thoughts, a divine thought is 100,000 soul changes, a soul becomes 360,000 dao movements, and a movement is 100 million beginnings.

Space unit: 100 million miles is a star, 100 million stars are a chen, 100 million stars are a universe, and 100 million yuan is a universe.

One universe is the average diameter of the universe of the six universes.

Earth: The diameter of the universe known to mankind = 0.28 universes.