When is the summer heat and how many days are there?

Slight summer: July 6-July 8 every year, great summer: July 22-July 24 every year, great summer: August 22-August 24 every year, three days each.

The summer heat is the eleventh of the twenty-four solar terms, and it is also the end of the afternoon and the beginning of the month. On July 7th or 8th of every year in Gregorian calendar, when the sun reaches 105, it is considered as a slight summer heat.

The summer heat is the last solar term in summer, which lasts from July 22nd to July 24th on the Gregorian calendar. When the sun reaches longitude 120, this year's summer heat is July 23.

Summer is the 14th solar term among the 24 solar terms in the lunar calendar. On August 23rd or 24th every year, the sun reaches 150 degrees. Being in summer means that the hot summer is coming to an end, because the dog days are over or coming to an end.

After the summer, the western Pacific subtropical high is still controlling all parts of the country. Therefore, it may be very hot in summer and during solar terms, and it will not be completely cool until after the autumnal equinox and solar terms. The time is about 15 days.