August 7th, 8th or 9th every year is beginning of autumn.

Beginning of autumn is the 13 of the 24 solar terms and the first solar term in autumn, which marks the official start of the Qiu Meng season: "Autumn" means that summer is cool. In early autumn, Beidou points southwest. From this day on, autumn began, the autumn was crisp, the moon was bright and the wind was clear. Since then, the temperature has gradually decreased from the hottest time.

Beginning of autumn has arrived, but not in autumn. The division of climate seasons should be based on the "average climate temperature", that is, the average local temperature for five consecutive days is below 22℃, which is the real autumn.

Extended data

China has 24 solar terms.

They are: beginning of spring, Rain, Sting, Vernal Equinox, Qingming, Grain Rain, Changxia, Xiaoman, Mangzhong, Summer Solstice, Xiaoshu, beginning of autumn, Chushu, Bailu, Autumnal Equinox, Cold Dew, Chufrost, beginning of winter, Light Snow, Heavy Snow, Winter Solstice, Slight Cold and Severe Cold.

There are five solar terms reflecting temperature changes: slight summer heat, great summer heat, summer heat, slight cold and severe cold.

There are seven solar terms reflecting weather phenomena: rain, Grain Rain, white dew, cold dew, first frost, light snow and heavy snow.

There are four solar terms reflecting phenological phenomena: Jing Zhe, Qing Ming, Xiaoman and Mang Zi.

Baidu Encyclopedia-beginning of autumn

Baidu encyclopedia-solar terms