How to calculate the monthly payment? How to calculate monthly construction

1. Build Yin in the first month, Mao in February, Chen in March, Si in April, Wu in May, Wei in June, Shen in July, You in August, Xu in September, Hai in October, Zi in November and Ugliness in December. The monthly structure is very important in the prediction of Najia, which is called the outline of ten thousand hexagrams and should be memorized.

2. Monthly construction generally refers to twelve branches, such as Jian Zi, Jian Chou and Yin Jian. The calendar divides a year into twelve days, and the "sword" represents the direction of the top of the bucket handle of the Big Dipper. In ancient astronomy, the bucket handle and the Big Dipper refer to buildings. In a year, bucket handle rotates for twelve days in turn, which is called "December Building". December is a solar month based on 24 solar terms.