What are the four solar terms at the beginning of the four seasons?

Each of the 24 solar terms is separated by about half a month, divided into twelve months, and each month has two solar terms. Among the 24 solar terms, "festival" refers to a period of a year, which is a representation of a period of time; And "qi" refers to climate, which is an overview of weather changes. It is the name given by the ancients according to the unique climate or phenology phenomena and agricultural activities in each stage. Together, these two words refer to the weather changes at a certain stage of the year. 12 solar terms, including beginning of spring, Jingzhe, Qingming, Changxia, Mangzhong, Xiaoshu, beginning of autumn, Bailu, Hanlu, beginning of winter, heavy snow and slight cold; The second solar term of each month is "Zhongqi", that is, there are 12 solar terms such as rain, vernal equinox, Grain Rain, Xiaoman, summer solstice, great heat, intense heat, autumnal equinox, first frost, light snow, winter solstice and great cold.

Beginning of spring, Changchun, beginning of autumn and beginning of winter-also known as "Li Si"-respectively represent the beginning of the four seasons. "Stand" means to start. The Gregorian calendar is generally around February 4th, May 5th, August 7th and165438+1October 7th every year. "Li Si" indicates the beginning of the astronomical season. As far as climate is concerned, it is still in the last season. For example, the Yellow River Basin in early spring is still in the middle of winter.