What does the long summer solar term mean?

The meaning of the long summer solar term is: Farewell to spring is the beginning of summer, so it is also called "the end of spring".

Stand still, build the beginning; Summer, false, everything has grown up so far, hence the name Long Summer.

Astronomically, Chang Xia said that bidding farewell to spring is the beginning of summer. When the temperature rises obviously, the summer heat comes, thunderstorms increase and crops enter the peak season, people are used to taking long summer as an important solar term.

In astronomy, the summer solstice is the turning point of the sun. After this day, it went back, the point of direct sunlight began to move south, and the day in the northern hemisphere became shorter day by day. At the same time, after the arrival of the summer solstice, the stars in the night sky gradually became summer stars.

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Twenty-four solar terms are special festivals in the dry calendar that express the change of natural rhythm and establish the "December Construction" (festival). Dou refers to the long summer in the southeast, and everything has grown up since then, hence the name long summer. At present, solar terms are determined according to the position of the sun on the ecliptic. When the sun reaches 45 degrees of the ecliptic, it is the solar term of long summer.