What are the solar terms, folk customs and origins in autumn?

Autumn refers to the period from beginning of autumn to beginning of winter. During this period, there are six important solar terms: beginning of autumn, summer, white dew, vernal equinox, cold dew and first frost. The climate in autumn is characterized by high humidity and heat in early autumn; After the Millennium, the rain decreased, the climate was dry, and the days were hot and the nights were cool. It gets cold quickly after the cold dew.

Autumn is a transitional season from summer to winter. The lunar calendar is from beginning of autumn to beginning of winter from July to September, the solar calendar is from 9: 00 to165438+1October, and the astronomical cycle is from the autumnal equinox to the winter solstice.