When will the 2021 summer season end? What is the specific date?

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The time of the big summer in 2021 is July 22 of the Gregorian calendar, until the end of August 6 of the Gregorian calendar, and August 7 is the time when the Liqiu solar term begins.During the summer solar term, the temperature reaches the hottest time of the year, and the phenomenon of thunderstorms increases.

Introduction to Great Heat

Great Heat, one of the twenty-four solar terms, is the last solar term in summer.The ancient book said, "The big one is the extreme heat." The Great Summer solar term coincides with the "Zhongfu" in the "dog days", which is the hottest time of the year.Since ancient times, some parts of our country have the custom of drinking herbal tea (fucha) in the dog days of the Great Heat; Fucha, as the name suggests, is the tea to be drunk in dog days.In addition, there are customs such as burning incense and drying ginger.

Characteristics of the Great Heat

1.Precipitation increased

During the Great Summer, the temperature is high and rainy, and the high temperature is basically the same as the rainy period.the same period.The monsoon climate is the main feature of my country’s climate, and the monsoon climate is a mixture of continental climate and oceanic climate.In winter, affected by the dry and cold air flow from the inland, the weather is cold, dry and less rainy; in summer, affected by the warm and humid air flow from the ocean, the weather is hot, humid and rainy.Affected by the summer monsoon, the precipitation gradually decreases from the southeast coast to the northwest inland, and the annual precipitation is concentrated in summer.

2.High temperature

The great summer solar term coincides with the "mid-fu" period 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, various meteorological disasters such as droughts, floods, and wind disasters are also the most frequent in many areas.The climate characteristics of the Great Heat:high temperature and humidity, frequent thunderstorms.High temperature and rain, rain and heat in the same period, is conducive to the growth of crops."Book of Yi Zhou" said:"The soil moistens the sweltering heat (溽shu, refers to the damp and sultry heat).For another five days, the heavy rain will travel"; it also says:"The heavy rain does not travel from time to time, and the country has no grace." The Great Heat is the solar term with the most sunshine, the highest temperature and thunderstorms in a year.

The time of the Great Heat in 2021

The Great Heat is the twelfth solar term in the twenty-four solar terms.At that time, the weather was fiercer than Xiaoshu, hence the name Dashu.The twenty-four solar terms is a knowledge system formed by the ancient ancestors in line with the agricultural time, observing the movement of celestial bodies, and understanding the changing laws of seasons, climate, phenology and other aspects of one year old.When the handle of the Big Dipper points to C or the ecliptic longitude of the sun reaches 120°, it is the solar term of the Great Heat, and the bucket refers to C; the ecliptic longitude of the sun is 120°; So the big summer festival in 2021 will be on July 22 of the Gregorian calendar.

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