When is the summer heat in the 24 solar terms? What are the three periods of the summer heat?

Being in summer is not only different from mild summer heat and severe summer heat, but also different from mild cold and severe cold solar terms. This is a solar term representing the transition from hot to cold. So, when is this summer solar term? When is the solar summer solar term: Thursday, August 23rd, 20th18, Lunar calendar: July 23rd, 20th18, and solar term: summer, so summer falls on August 23rd, 20th150, that is, when the sun reaches the yellow meridian? At that time. During the solar term, eagles began to hunt birds in large numbers, the world began to wither, and crops such as millet, millet, rice and sorghum matured.