How many types of divination are there?

"Divination" is a kind of magic used in ancient times to predict the future or make predictions about unknown events, which has similarities with astrology and so on. Throughout the ages, many people practiced this art, after years of reproduction, the formation of many types and factions, and different periods of its classification is not the same.1. Tang Dynasty, the main yin and yang, dream divination, phase house, the nine palaces, Luk life, burial, physiognomy, etc.; if you add to be included in the official account of the account of the occupation of the waiting, the turtle divination, easy to account for the five trillion, etc., the Tang and the Five Dynasties of the divinatory art of about about twelve.2. The end of the Five Dynasties of the later Zhou Dynasty, these divinatory art is mainly divided into the five Zhou Dynasty. These divinations were mainly categorized into five types. In the imperial edict of the third year of Emperor Guangshun of the Later Zhou, in addition to the two categories of astronomical divination and Taiyi Lei formula, the other divinations were categorized into three categories, namely, time and date, divination and five elements, and the five categories referred to the astronomical, Taiyi Lei formula, time and date, divination and five elements. About this time, yin and yang and other selection techniques are categorized as "time and day"; turtle, Yi, five signs, etc. into "divination", other face, burial, fortune and so on are categorized as "five elements". The. And the edict also said: "the time and date, five elements, divination books, not in the ban." This is with the Tang dynasty Tang Taizong's edict prohibited "miscellaneous divination" of the intention is very different. This change of the times, but also brought about a change in the type of divination.