Grain Rain cold knowledge broadcast: Why are the 24 solar terms in accordance with the Gregorian calendar?

Twenty-four solar terms are a summary of the law of climate change in one year.

It is the sun that determines the climate of the earth. Gregorian calendar is a solar calendar, of course, it is calculated according to Gregorian calendar. Astronomers can calculate the time of each solar term very accurately, to the subtle (millionth of a second) level.

Some people say that the twenty-four solar terms of the China lunar calendar are wrong!