When are the four solar terms?

The four solar terms are: beginning of spring, Changxia, beginning of autumn and beginning of winter.

1. beginning of spring: beginning of spring is on February 3-5 in Gregorian calendar.

2. Long summer: May 5 -7 in Gregorian calendar is the beginning of summer.

3. beginning of autumn: August 7-9 in Gregorian calendar is the beginning of autumn.

4. beginning of winter: Gregorian calendar165438+1October 7-8, beginning of winter.

The four seasons are named after the four seasons of "spring, summer, autumn and winter", which are the four seasons in the 24 solar terms. The twenty-four solar terms were originally determined by the bucket handle direction of the Big Dipper. Bucket handle revolves around the east, south, west and north, which is called one of the "years old" (Figure); Every rotation cycle starts from beginning of spring and ends with the Great Cold.