What do beginning of spring, Changxia, beginning of autumn and beginning of winter mean?

Li: the beginning also means that spring, summer, autumn and winter will start from now on. Beginning of spring, the first of the 24 solar terms, is the beginning of the official calendar and the establishment of silver moon. The arrival time is on February 3-5 every year in Gregorian calendar, when the sun reaches 3 15.

The date of the lunar calendar's long summer is not fixed, it is around the first day of April every year, because the lunar calendar is the lunar calendar. "The bucket refers to the southeast, and the dimension is long in summer. Everything grows here, hence the name Long Summer. "

Beginning of autumn is the first 13 of the 24 solar terms, and it is also the end of the last month of the official calendar and the beginning of applying for the moon. The time is around the first day of July in the lunar calendar (between August 7 and 9 in the Gregorian calendar).

"Autumn" means that summer is cool, which means the beginning of autumn. When we arrived in beginning of autumn, the phoenix tree began to shed its leaves, so there is an idiom "Autumn is known by falling leaves".

Beginning of winter, the 19 in 24 solar terms, is also one of the traditional festivals of the Han nationality, as the end of the full moon and the beginning of the full moon in the lunar calendar. The time point is between Gregorian calendar165438+1October 7-8 every year, that is, the sun is located at 225 degrees of the yellow meridian.