What are the 12 times and 20 BaSu "division"

During the spring and autumn period, the prevalence of astrology, astrologers "heaven variation state by bullet", to appear in the sky of the star changes to various places in the world, bad augury, curse and blessing.The kingdom of their area will be the stars in the sky and the ground state corresponding to each other, known as the dividing line.Precisely to a certain stars as a divergence between countries, a divergence between the stars as a state, or, in turn, make China a divergence between the stars, the dividing line of a certain state as the stars."Rites" is written "finally" : "the star to soil bian kyushu, sealing seal domain is star, in view the auspicious", is in accordance with the division to foretell the good or ill luck.

Region have 12 times and twenty BaSu (or 28) and so on different classification method, there are different ways of corresponding division.In addition to this, states, and countries and with different times have change, the dividing line so different times have different.