24 solar terms successfully applied for the World Heritage. How did the solar terms come from?

The origin of the twenty-four solar terms

Four solar terms were set in the Spring and Autumn Period, namely, midsummer, midsummer, midsummer and midsummer. By the Qin and Han Dynasties, the 24 solar terms had been completely established. In BC 104, the taichu calendar written by Deng Ping officially set 24 solar terms in the calendar, and defined the astronomical position of the 24 solar terms. The time for the sun to travel once every 15 degrees along the longitude of the Yellow River from zero degree is called? A solar term? . It runs 360 degrees every year, and * * * experiences 24 solar terms, twice a month. Among them, what is the first solar term of each month? Solar terms? Namely, beginning of spring, Jing Zhe, Qingming, Changxia, Mangzhong, Xiaoshu, beginning of autumn, Bailu, Hanlu, beginning of winter, Heavy Snow and Slight Cold. 12 solar term, what is the second solar term every month? Gas? There are 12 solar terms, such as rain, vernal equinox, Grain Rain, Xiaoman, summer solstice, summer heat, early summer heat, autumn equinox, early frost, light snow, winter solstice and great cold. ? Solar terms? And then what? Gas? Alternate 15 days, today's people? Solar terms? And then what? Gas? Collectively referred to as? Solar terms? .

Historical origin

Twenty-four solar terms are an important part of the long history and culture of the Chinese nation, which embodies the essence of Chinese civilization. ? 24 solar terms? With what? /kloc-built in 0/2 months? It is the basic content of the official calendar and was concluded in ancient times (or ancient times). ? 24 solar terms? Refers to seasons, phenology, climate change, etc. The Big Dipper rotates round and round, and the stars turn from one bucket to another, which is closely related to the change of seasons. Taking the direction pointed by bucket handle, namely the Big Dipper, as the reference standard to judge the seasons, it is called the structure of the bucket or the moon. The method of the era of cadres and branches, the first month to build Yin, beginning of spring as the beginning of the year, the beginning of the month to pay the festival. The calendar divides a year into twelve days (? /kloc-built in 0/2 months? ),? Build? Represents the direction of the top of the bucket handle of the Big Dipper. In ancient times, it was determined by the direction of the top of the Beidou bucket handle? 24 solar terms? Bucket handle rotates in turn? Twelve Chen? , what's your name? Twelve constructions? (or? December order? )。 What is the moon? Zheng Chun? Beginning of spring is the first year. The twenty-four solar terms established by Beidou bucket handle began in the beginning of spring and ended in severe cold.

This is the historical origin and origin of the 24 solar terms.