Is beginning of autumn divided into morning and afternoon? Beginning of autumn is divided into morning and afternoon.

2. Twenty-four solar terms Each solar term has its own specific arrival time, which is different every year and is defined by the noon of a day. If beginning of autumn time is in the morning, this year's beginning of autumn is considered as "early beginning of autumn", and if beginning of autumn time is in the afternoon, this year's beginning of autumn is considered as "late beginning of autumn".

3. beginning of autumn is the 13 solar term among the 24 solar terms and the first solar term in autumn, which falls from August 7th to 9th in the Gregorian calendar every year. At this time, the bucket handle of the Big Dipper points southwest, and the sun reaches longitude 135. The 24 solar terms reflect the changes of "Qi" in the four seasons. Beginning of autumn is the node where the yang gradually closes, the yin gradually grows, and the yang gradually turns to yin.