When is beginning of autumn in 2020?

According to the calendar website, the beginning of autumn time in 2020 is Friday, August 7th, 2020 (June of the Year of the Rat18th). Beginning of autumn is the 13 solar term among the 24 solar terms in the lunar calendar, and it is also the first solar term in autumn, which marks the official start of the season in Qiu Meng: "autumn" means clearing the border and cooling down. When it comes to beginning of autumn, the plane tree begins to shed its leaves, hence the idiom "autumn is known by falling leaves".