2. Great summer heat: Summer heat means hot. It shows that it is the hottest solar term in a year.
3. beginning of autumn: "It's cool on the day of beginning of autumn" clearly connects beginning of autumn with the cool weather. Visible, beginning of autumn is the beginning of the cool autumn.
4. Summer heat: Summer heat is a solar term that reflects temperature changes. "Chu" means hiding and ending, and "Chu Xia" means that the hot summer day is over.
Slight summer heat is relative to great summer heat. The ancients thought that it was not the hottest time of the year, so it was called slight summer heat. Slight summer is on July 7th and 8th every year.
Great summer heat is one of the 24 solar terms. Between July 22nd and 24th every year, the sun arrives at the longitude of the Yellow River120th. The summer solar term also belongs to the midsection stage, which is the hottest stage every year.
The summer solar term is around August 23rd every year. At this time, the sun reaches the longitude of the yellow meridian150. It means that the hot summer is coming to an end.