I will chinese astrology to fortune telling

The origin of the eight character numerology is believed to have existed since the emperor's period. It is recorded in books that the emperor ordered Da Nao to establish the time recording method of tiangan and dizhi. Specifically, ten Heavenly Stems and twelve Earthly Branches are used together, and Yang stems and Yang branches are used together; Yin dry with Yin branch. As a calendar for recording the time of month, year and day. The magic of Ganzhi chronology is that the calendar not only represents the concept of time, but also contains the ancestors' understanding and experience of long-term observation of nature. Because Da Nao has accumulated this knowledge for a long time, the original text said: "Da Nao explored the Qi mechanism of heaven and earth, adopted the feelings of the five elements, built the zhandou machine, and began to make ten Heavenly Stems and twelve earth branches." the heavenly stems and earth branches are a way to accurately express the natural forces, a written record symbol based on nature, and describe the existence of various energies in the world.