What is the summer solstice and which solar term is it?

Which solar term is the summer solstice? The tenth solar term.

The first solar term before the summer solstice is mango, and the last solar term is Xiaoshu. According to the 24 solar terms table, the summer solstice is the 10 solar term. It is understood that the summer solstice is one of the earliest solar terms among the 24 solar terms. Every year on June 2 1 or 22 of Gregorian calendar, when the sun reaches 90 degrees of the yellow meridian, it is the summer solstice. "Solstice" means "extreme", and the summer solstice is also called "long days". After the summer solstice, the direct point of the sun gradually moves southward, and the days in the northern hemisphere will be shorter and the nights will be longer.