China 24 solar terms table is based on which city?

Twenty-four solar terms are formulated according to the climate of the middle and lower reaches of the Yellow River in China.

According to the position of the sun on the ecliptic, the 24 solar terms are divided into 24 seasons and the climate that reflects the natural phenomenon and seasonal characteristics of farming in a certain area of China (represented by the middle and lower reaches of the Yellow River).

Since 2000, the main political activity centers in China have been concentrated in the middle and lower reaches of the Yellow River, and the 24 solar terms have been established on the basis of climate and phenology in this area. Due to the vast territory and changeable terrain of China, the 24 solar terms are only a reference for many regions.

24 solar terms refers to the 24 specific solar terms in the China lunar calendar, which are formulated according to the change of the earth's position on the ecliptic (that is, the earth's orbit around the sun), and each solar term corresponds to a certain position reached by the earth every time it runs 15 on the ecliptic. The twenty-four solar terms are divided into 12 neutral solar terms and 12 solar terms, which correspond to each other one by one. .

The twenty-four solar terms reflect the annual apparent motion of the sun, so their dates are basically fixed in the Gregorian calendar. The solar terms in the first half of the year are on the 6th, the solar terms in the second half of the year are on the 8th and the solar terms are on the 23rd, with a difference of less than 1-2 days.