According to the calendar query, July 7, 2023 is a slight summer heat, July 23, 2023 is a great summer heat, August 8, 2023 is beginning of autumn, and August 23, 2023 is a summer heat. Slight summer heat: indicates the official start of The Last Month Of Summer season. The summer heat is the hottest solar term in a year, and the exchange of damp and heat reaches its peak at this time. Beginning of autumn: It marks the official start of the autumn season: "Autumn" means that the summer heat goes to cool. Summer heat: summer heat means to stop and hide, and summer heat means to end the hot summer day.