What does summer heat mean?

Being in the heat is "out of the heat", that is, out of the heat. It is the14th solar term in the twenty-four solar terms of the lunar calendar. The node time is around August 23rd in Gregorian calendar, and the sun reaches longitude 150. Summer solar terms mean that we are about to enter the autumn with meteorological significance. After the summer, the temperature in the area north of the Yangtze River in China gradually drops.