The difference and connection between sanheng and erbasu

Hello, the connection between Sanbi and Twenty-eight Hostels is that they are part of China's sky division system, which together constitute the unique sky division system in ancient China.

The difference is that their measurement standards are different as follows:

Sanyuan is the general name of Ziweiyuan, Taiweiyuan and Tianshiyuan, which is divided into Ziweiyuan, which is represented by the central government, and Taiweiyuan and Tianshiyuan, which operate around Tiandiyuan.

Stars are the ancient people who divided the whole day into 28 regions of different sizes from west to east along the ecliptic, and each region is called a night.

Thought is the abode of the moon every night. They are:

The Seven Hostels in the East: Angle, Sound, Oblique, Space, Heart, Tail and Basket.

Seven nights in the Western Heaven: Kui, Lou, Stomach, Chang, Bi, Shen, Dog.

Seven nights in the north: fighting, cows, women, emptiness, danger, rooms, walls.

Seven nights in the south: well, ghosts, willows, stars, Zhang, wings, birds.