What is Chen Geng Day?

Chen Geng Day is the seventeenth day of the China lunar calendar. In the ancient calendar of China, A, B, C, D, E, Ji, G, Xin, Man and Ghost were called "Ten Heavenly Stems", while Zi, Ugly, Yin, Mao, Chen, Si, Wu, Wei, Shen, You, Xu and Hai were called "Twelve Earthly Branches". They cooperate with each other in a fixed order, with a total of 60 pairs of combinations, forming the chronology, calendar, chronology and calendar. It is said that the calendar of Shang Dynasty is the greatest achievement of the Ganzhi calendar and the longest used calendar in the world. At present, it is known for sure that the time when documents can be tested is from February in the third year of Lu Yingong in the Spring and Autumn Period (720 BC) to Xuantong in the Qing Dynasty (A.D.1911) (65438+). The day before Chen Geng Day is Jimao Day, and the day after that is Xinsi Day. In the theory of Yin-Yang and Five Elements, heavenly stems belong to the gold of Yang, and earthly branches belong to the soil of Yang, which is native gold. On Chen Geng Festival, Yin Na's five behaviors are Bai Lajin. Calendar year, calendar month, calendar day and calendar hour are also the basis of China's ancient arts, such as the Round Sea, Purple Peace and the Holy Children's Fair.