202 1 when were the long summer and the long summer solar terms introduced?

2. Long summer is the seventh solar term among the twenty-four solar terms and the first solar term in summer. Long summer means the change of seasons, which means that the long summer is the official beginning of midsummer when the sun reaches 45 degrees of the yellow meridian, usually on May 5 or 6 of the Gregorian calendar every year. After the long summer, the temperature in southern China rose rapidly, and the rainfall and days of rainfall increased significantly.

3. "Summer" in long summer means "big", which means that the plants sown in spring have grown upright. When the temperature rises obviously, the summer heat comes, thunderstorms increase and crops enter the peak season, people are used to taking long summer as an important solar term. There are three seasons in the long summer, one is the sound of insects, the other is the appearance of earthworms and the third is the birth of melons. The main customs are welcoming the summer ceremony, tasting new things, playing egg games, and "weighing people" in the long summer.

4. Entering the long summer, people's metabolism is accelerated, and the blood supply to the heart and brain is insufficient, which often makes people fidgety, tired and lazy. It is necessary to arrange work and rest time reasonably, supplement nutrition and adopt correct health care methods.