All solar terms in a year

1, Spring: beginning of spring, Rain, Sting, Equinox, Qingming, Grain Rain.

2. Summer: long summer, small full, boundless, summer solstice, Xiaoshu, Dashu,

3. Autumn: beginning of autumn, early summer, Bailu, autumnal equinox, cold dew, early frost,

4. Winter: beginning of winter, light snow, heavy snow, winter solstice, slight cold, severe cold,

Extended data:

The twenty-four solar terms were originally determined by the bucket handle direction of the Big Dipper, and bucket handle revolved around the east, south, west and north, which was called one of the "years old" (Figure); Every rotation cycle starts from beginning of spring and ends with the Great Cold.

The current "twenty-four solar terms" are divided by "constant gas method", that is, each solar term corresponds to a certain position that the earth reaches every time it runs 15 on the ecliptic; The method of "fixing qi" divides the sun's annual movement track into 24 equal parts, each equal part is 15, and each equal part is a solar term, which starts from beginning of spring and ends with severe cold. "Twenty-four solar terms" express the unique concept of time between human beings and the natural universe, and contain the long-standing cultural connotation and historical accumulation of the Chinese nation.

"Twenty-four solar terms" reflect the influence of the sun on the earth and belong to the solar calendar category. It is a knowledge system formed by observing the movement of the sun in a year and understanding the changing laws of the four seasons, climate and phenology in a year. It not only plays a guiding role in agricultural production, but also affects the food, clothing, housing and transportation of ancient people, and even cultural concepts. The current lunar calendar absorbs the solar terms of the trunk calendar as a supplement to the calendar, and is adjusted to conform to the tropic year through the "leap method" to form a combined calendar of yin and yang.

Baidu encyclopedia-24 solar terms