When is the summer heat? Introduction to 202 1 Great Summer.

2. Great summer heat, one of the 24 solar terms, is the last solar term in summer. Every year from July 22nd to 23rd in Gregorian calendar, the solar sun arrives at120th, which is a solar term in summer. Like summer heat, summer heat is also a festival reflecting the degree of summer heat, which means the weather is extremely hot. [2]

3. The ancients in China divided the great summer heat into three periods: "Rotten grass is firefly; Second, wait for the soil to moisten and cool off the heat; It will be fine when it rains. " The summer solar term is just around the Mid-Autumn Festival in the dog days, which is the hottest period of the year, with the highest temperature and the fastest growth of crops. At the same time, meteorological disasters such as drought, waterlogging and wind disaster are also the most frequent in many areas. It is very important to harvest and seed, fight drought and drainage, prevent typhoons and manage fields.

4. In summer, there are customs such as drying ginger, drinking tea, burning incense and sending a "summer boat". At this time, the weather is hot and humid, which easily leads to excessive moisture in the body. Health care should not only know how to prevent heatstroke and cool down, but also pay attention to eliminating dampness.