When are beginning of spring, Changsha, beginning of autumn and beginning of winter?

This year (20 16), the time of beginning of spring, Changchun, beginning of autumn and beginning of winter are February 4th, May 5th, August 7th,165438+1October 7th respectively. Beginning of spring is on February 3 or 4 of the Gregorian calendar every year; Long summer is around May 5 of the Gregorian calendar every year; Beginning of autumn is on August 7th to 9th of the Gregorian calendar every year. The annual beginning of winter time in Gregorian calendar is between165438+1October 7-8.

Beginning of spring is the first solar term in the twenty-four solar terms of the lunar calendar. When the sun reaches 3 15, it is called the beginning of spring solar term. Beginning of spring is one of the important traditional festivals of the Han nationality. "Li" means "start". Since the Qin Dynasty, China has always regarded beginning of spring as the beginning of the Meng Chun season. Beginning of spring is divided from astronomy, with spring flowers and flowers; Spring is growth, cultivation and sowing.

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 marks the official start of the season in Xia Meng. When the sun reaches 45 degrees of the yellow meridian, it is a long summer solar term. The bucket refers to the southeast, and the dimension is long in summer. Everything has grown to this day, 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.

Beginning of autumn, the13rd solar term among the 24 solar terms in the lunar calendar, is the first solar term in autumn, marking the official start of the Qiu Meng season. "Autumn" means cool in summer. When we arrived in early autumn, the phoenix tree began to shed its leaves, so there is an idiom "Leaves fall to the roots". 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 is one of the twenty-four solar terms of the lunar calendar and one of the traditional festivals of the Han nationality. 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. 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. During beginning of winter's period, the Han people took beginning of winter as beginning of winter, so it was necessary to supplement the dietary customs in order to survive the severe winter.