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

Beginning of spring is between February 3 and 5 of the Gregorian calendar every year; Long summer is between May 5th and 7th of the Gregorian calendar every year. Beginning of autumn is between August 7 and 9 of the Gregorian calendar every year; The annual beginning of winter time in Gregorian calendar is between 1 1.7 -8.

Beginning of spring, when the sun reaches 3 15, it means that a new cycle has begun, which means that everything is the beginning and everything is rebirth. Standing means "start"; Spring represents warmth and growth. Beginning of spring is not only the beginning of spring, but also the beginning of a year.

In the long summer, the sun reaches 45 degrees longitude of the Yellow River, which means in astronomy that it is about to bid farewell to spring and is the beginning of summer.

In beginning of autumn, the sun reaches longitude 135, which is the first solar term in autumn, marking the official start of autumn. "Autumn" means cool in summer. After beginning of autumn, the temperature dropped gradually from the hottest time.

In early winter, the sun reaches 225 degrees, indicating that winter has begun. After beginning of winter, the sunshine time will continue to shorten, and the height of the sun will continue to decrease at noon.