The Nine Palaces are ancient Chinese astronomers who divided the Heavenly Palace into nine equal parts: Qian Palace, Kan Palace, Gen Palace, Zhen Palace, Zhong Palace, Xun Palace, Li Palace, Kun Palace and Dui Palace. By observing the movement of the seven rays and stars in the sky from the ground at night, information such as direction and season can be known.
Jiugong is a combination of Luoshu and Houtian Bagua. The number of the middle palace is five, which is sent to Kun Palace. In order: the first palace is Kan (north), the second palace is Kun (southwest), the third palace is Zhen (east), the fourth palace is Xun (southeast), the fifth palace is Zhong (sent to Kun), the sixth palace is Qian (northwest), and the seventh palace is Dui (west), eighth palace Gen (northeast), ninth palace Li (south).
In 1977, Chinese archaeologists discovered in the Western Han Dynasty tomb in Shuanggudui, Fuyang City, Anhui Province that the Taiyi Nine Palaces occupancy plate from the seventh year of Emperor Wen of the Han Dynasty (173 BC) was the actual magic square of the Han Dynasty in China.
Extended information:
The source of the Nine Palaces Diagram
It is said that in ancient times, by the Mengjin River, one day the river water suddenly swelled, the waves were surging, and there was a giant beast in the water, like The dragon is not a dragon, it looks like a horse but not a horse, soaring in the waves. At that time, Huangdi Fuxi and his ministers heard someone's report and immediately went to the river to watch. They saw huge waves in the river. In the waves, a giant beast stepped on the water as if it were on the ground. It was roughly like a horse but had fish scales on its body. It was eight or nine feet tall and had The two wings were shaped like a camel, with patterns made of flower dots on its body. Huangdi ordered people to go to the river and record the patterns. As soon as they were written down, the monster disappeared.
Emperor Fuxi carefully studied this picture and found that it was composed of ten kinds of flower dots. These ten kinds of flower dots represented the 10 numbers from 1 to 10. The two kinds of flower dots formed a group and were arranged in the east, west, north and south. On the five positions in the center, the difference between the numbers represented by each group of dots is 5. The more Yellow Emperor studied the characteristics of this harmonious unity and four-way symmetry, the more amazing he became. Later, he used this to draw Bagua and Jianjia Calendar. , set the time, govern the country. Since this picture was found in the Mengjin River, it is called a river picture.
Reference material: Baidu Encyclopedia-Nine Palaces Diagram
Reference material: Baidu Encyclopedia-Nine Palaces Diagram