What does Chen Jian mean?

Build Yin in the first month, Mao in February, Chen in March, Si in April and Wu in May.

It means March.

The monthly order, also known as the monthly order, is defined in strict accordance with the "festival" in the 24 solar terms, just like other forecasting studies. For example, beginning of spring, silver moon, and beginning of autumn, Shen Yue. In the monthly construction, the underground branch runs clockwise, that is, it is cloudy in the first month, gross in February, Chen in March, Secretary in April, Wu in May, Wei in June, Shen in July, especially in August, Xu in September, Shanghai in October, Zi in November and Ugly in December.

The corresponding relationship between the twelve earthly branches and the moon structure;

Take the Spring Festival as the first month to build shade, and the day of fright as February to build hair.

Tomb-Sweeping Day is the date of March, and Long Summer Festival is the date of April.

It was built on the Miscanthus Festival in May and the Little Summer Festival in June.

Take the beginning of autumn as July. Taking the day of the Millennium Festival as August,

The cold dew festival is September, and the winter festival begins in October.

Think of snowy days as 1 1 month and mild cold days as1February.

This has something to do with constellations, predictions and so on.