What four words did China traditionally use as "the beginning of the four seasons"?

The ancients formulated 24 solar terms according to the solar cycle, and divided the four seasons with the "four stands" as the boundary.

Namely beginning of spring, Changchun, beginning of autumn and beginning of winter.

Beginning of spring:

Beginning of spring is the first of the 24 solar terms in the lunar calendar. Beginning of spring is divided from astronomy, that is, when the sun reaches longitude 3 15.

Beginning of spring is one of the important traditional festivals in China. "Li" means "start". Since the Qin Dynasty, China has always regarded beginning of spring as the beginning of the Meng Chun season. The so-called "one year's plan lies in spring", spring warms bloom, birds and flowers are fragrant; Spring is growth, cultivation and sowing.

The long summer:

Long summer is the seventh solar term in the twenty-four solar terms of the lunar calendar and the first solar term in summer, which indicates the official start of the summer season. When the sun reaches 45 degrees of the yellow meridian, it is the solar term of long summer. The bucket refers to the southeast, and the dimension is long in summer. Everything has grown to this day, hence the name Long Summer.

Beginning of autumn:

Beginning of autumn is the13rd solar term among the 24 solar terms in the lunar calendar, and it is also the first solar term in autumn, which marks the official start of the Meng and autumn seasons: "Autumn" means that summer is cool. 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". Literally, the word "autumn" consists of "valley" and "fire", indicating the maturity of five grains. Autumn is the transitional season when the weather turns from hot to cold, and then from cold to cold.

Beginning of winter:

Beginning of winter is one of the 24 solar terms in the lunar calendar and one of the traditional festivals in China. The time point is between the Gregorian calendar165438+1October 7-8, that is, the sun is located at 225. At this time, the earth is located at declination-16 19', and the noon sun height in Beijing is only 33 47'. After beginning of winter, the sunshine time will continue to shorten, and the height of the sun will continue to decrease at noon. China people regard beginning of winter as beginning of winter, and during their stay in beginning of winter, it is necessary to supplement food to spend the severe winter.