What is the date of the summer heat and the summer heat respectively?

Summer is around July 7 (July 6-July 8) and summer is around July 23 (July 22-July 24).

On July 7th or 8th every year, when the sun reaches longitude 105, it is considered as a slight summer heat. Summer is hot. The ancients thought that the summer heat period was less than the hottest time of the year, so it was called summer heat. There is also a solar term ballad: "Little summer is not hot, big summer is three days." Refers to the hottest period of the year has arrived, but it has not reached the extreme hot level.

Summer is the twelfth solar term in the twenty-four solar terms of the lunar calendar, and summer is the sixth solar term. The sun is located in the yellow meridian 120. It means that the weather is very hot and the hottest period is coming. At this time, before and after the mid-autumn period, most parts of China are the hottest period in a year, and the growth rate of heat-loving crops is also the fastest.