When is the solar term in 2022?

July 23rd in the Gregorian calendar and June 25th in the lunar calendar.

And this solar term has the climate characteristics of high temperature, hot summer and frequent typhoons and thunderstorms. One of the 24 solar terms, the last solar term in summer. On the fifteenth day after the slight summer heat, it means that it is not a great summer heat; The solar calendar is120; July 22-24 of Gregorian calendar. "Summer heat" is heat, and summer heat is extremely hot. Summer heat is relatively mild and hot, and it is the clearest and hottest solar term in a year, and "damp-heat steaming" reaches its peak at this time.

Three stages of the great summer heat

Ancient ancestors recorded the phenomenon of solar terms during the long-term labor. In ancient China, the summer heat was divided into three periods: one was when rotten grass was firefly; Second, wait for the soil to moisten and cool off the heat; Just when it rains heavily. "There are about 2,000 species of fireflies in the world, which are divided into aquatic and terrestrial. Terrestrial fireflies lay eggs on hay, and when it is hot, fireflies ovulate, so the ancients thought fireflies were made of rotten grass; The second weather is that the weather becomes sultry and the land is wet. The third kind of weather is frequent thunderstorm, which weakens the heat and humidity, and the weather begins to transition to beginning of autumn.

Ancient records of the great summer heat

Many customs and cultural concepts in modern and ancient times are different and should be changed gradually. It is recorded in the twenty-four solar terms of the ancient book: "The summer is in the middle of June. Summer heat, heat, size, small at the beginning of the month, swelling, and now it is still hot. The "Great Summer" solar term is the hottest period in the year before and after the "solar term" in the "dog days", during which the temperature is the highest and crops grow the fastest. At the same time, due to the high temperature and rainy weather, meteorological disasters such as drought, waterlogging and wind disaster are also the most frequent in many areas.