The significance of summer solar terms; Introduction of solar terms in summer.

1, big heat is big heat. During the high temperature in summer, the sun is located at longitude 120, which is about 30 days away from the summer solstice. In dog days, summer is close to the middle. At this time, enough heat is absorbed near the ground and radiated through the ground, even in the morning and evening, the outdoor temperature will not be very cold. Suggestion: During the summer solar term, it is the hottest period of the year, so we should do a good job in summer vacation every day.

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.

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.