What does the solar term in beginning of autumn mean?

Beginning of autumn's "stand" means the beginning, and "autumn" refers to the maturity of crops. Beginning of autumn said that summer is cool and autumn begins, which is a solar term reflecting the season.

Beginning of autumn is the 13th of the 24 solar terms, and it is also the beginning of autumn. The bucket refers to the southwest, and the sun reaches the longitude of 135, and it is celebrated on August 7 or 8 of the Gregorian calendar every year. "Reason" means the beginning. "Autumn" means the grain is ripe.

The change of the whole nature is a gradual process. Beginning of autumn, the sun be the spirit gradually closed, Yin qi gradually long.

The ancients in China divided beginning of autumn into three periods: first, waiting for the cool breeze; Second, wait for the white deer to be born; Three are waiting for cicadas to sing.