Q: Among the 24 solar terms, which solar term is closest to the perihelion? In the lunar calendar, is the moment when the earth is at perihelion a slight cold moment?

In these years, the perihelion of the earth was on June 3 or 4, 65438+, which was the eve of slight cold.

It's just a coincidence that they are close. Slight cold is the moment when the sun's yellow meridian reaches 285, and the yellow meridian at perihelion is relatively close to it, which is theoretically irrelevant.

The most powerful evidence is that the cycle of tropic year and perihelion year is different, and the change of perihelion longitude will lead to the change of perihelion date, that is, solar terms.