What does "summer heat" mean in the 24 solar terms?

Being in the heat is "out of the heat", that is, out of the heat.

Being in summer is the fourteenth of the twenty-four solar terms. Dou Zhiwu (Southwest); The solar calendar is150; August 22-24 of the Gregorian calendar every year. "Out" means termination, and the summer heat means the end of the summer heat. The dog days have passed or will soon end. Due to the influence of short-term reheating weather (commonly known as "autumn tiger"), there is still continuous high temperature after the summer heat, and it will feel sultry. The weather will change from hot to sultry, and it will generally be cool around the Millennium.

Summer solar terms are in the period of short-term high-temperature weather (autumn tiger), which generally occurs between August and September in the Gregorian calendar. The duration of autumn tigers generally ranges from half a month to two months. The significance of summer heat in daily life is to remind people that autumn is coming quietly, and we should pay attention to preventing "autumn dryness" The solar term in summer also means entering the autumn in the meteorological sense. There are many folk activities in summer, such as eating ducks, setting off river lanterns, opening fishing festivals, decocting medicinal tea and offering sacrifices to the land.