Grain Rain solar terms and the Book of Changes

Among the 24 solar terms, the division of solar terms originated from the Book of Changes. The boundary between year and month is based on solar terms. There are two solar terms every month, the first one is called solar term, and the second one is called qi.

Solar terms represent the position of the earth in the orbit of revolution. Every 15 degree has a solar term, and there are 24 solar terms, that is, 24 solar terms. The average interval between two solar terms is 15 days, but because the speed of the earth around the sun will change with the distance from the sun, the interval between solar terms will be slightly different.

What's the name of the beginning of the month? Solar terms? , such as beginning of spring and Qingming. It is called in the middle of the month. Gas? , both collectively referred to as? Solar terms? .

Our lunar year, the lunar year, is calculated according to the 24 solar terms. Every lunar year begins on that day in beginning of spring and ends in the next beginning of spring. In June, there is a musical instrument every month, and every month will start from one section to the next.

The name of each solar term represents the climate situation in that specific period, and also has strong time, climate and time representative significance and certain language charm. In ancient times, farmers created various proverbs to decide the farming time according to the solar terms. Therefore, solar terms are of great significance in ancient life. Twenty-four solar terms are created according to the law of the sun's operation, reflecting the changes of the four seasons in spring, summer, autumn and winter and the changes of the climate in cold and summer. Solar terms are mainly used to guide agriculture.

The source of the 24 solar terms is the astrological culture in China. The ancients began to explore the mysteries of the universe a long time ago, and thus deduced a complete set of star-watching culture. Twenty-four solar terms were originally determined by the direction of bucket handle's rotation, and because of the close relationship between the seasonal changes, a unique calendar was derived. Among all kinds of months, there are special months, and only festivals are lifeless. Originally, lifeless months are the end of the month, and lifeless months are designated as leap months. This is also the crystallization of China's unique climate and astrological culture.