What is the summer heat in 2020?

Summer vacation is the fourteenth solar term among the twenty-four solar terms and the second solar term in autumn. During the summer vacation, there will be a short period of recovery in many places, and autumn tigers will appear. The real cooling will be around the Millennium solar term, so what is the summer vacation in 2020? Next, let Lao Huang Li take you to know more about it.

You may be interested in: 24 solar terms Watch.

Q: When is the high temperature in the summer of 2020? A: The summer vacation in 2020 is in the solar calendar: 23: 44: 48 on August 22, 2020, and the lunar calendar date on Saturday is the fourth day of July 2020.

What is summer heat? It is one of the 24 solar terms. The summer solar term is on August 23rd or 24th every year, when the sun reaches longitude 150. According to the "twenty-four solar terms", "go and go again, and the summer heat ends here." It means that the hot summer is coming to an end, that's all. "Chu" means to hide and die, and "early summer" means that the hot summer has passed. "Twenty-four solar terms" said: "Go, go, the heat is over." "Chu" means termination, which means that the summer heat is about to pass, the summer heat will end on this day, and the temperature in most parts of China will gradually drop. After the summer, except for South China and Southwest China, the rainy season is coming to an end in most parts of China, and rice is ripe for harvest. Especially in North China, Northeast China and Northwest China, we must pay close attention to water storage and moisture conservation. If there is drought during autumn sowing, the sowing date of winter crops will be postponed.

The weather in summer can be reflected by the names of solar terms, which reflect the temperature changes. "Twenty-four solar terms" says: "Summer, mid-July. When you get to the place, stop and the summer vacation will stop here. " In other words, from this day on, the hot summer will soon pass and the weather will gradually cool down. Of course, this cooling is actually mainly aimed at the northern part of China and the high-altitude areas in the southwest. Around summer, on the one hand, the direct point of the sun began to withdraw southward, on the other hand, the subtropical high also began to withdraw southward, and at the same time, the cold high from the Mongolian Plateau began to affect northern China. Therefore, in the "Four-person Moon Order" of the Eastern Han Dynasty, there is a saying that "midsummer is autumn, celebrating the autumn festival and making new things", that is to say, it is autumn in midsummer, and seasonal clothes need to be prepared.

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But in fact, due to the southward shift of subtropical high, Jiangnan and southeast coastal areas in China will still experience a period of high temperature weather before and after summer vacation, which is also commonly known as "autumn tiger". Therefore, there is a saying that "the weather is still cool after the heat, and it will turn cold in about 18 days", and the Millennium will pass on 18 days after the heat. Therefore, in Jiangnan, there is also a saying of "eighteen pots of heat". In other words, after the heat, you should take a bath every day. In Guangdong and Guangxi, the "autumn tiger" lasts longer, and the locals even call it "80 pots in midsummer". You have to take several baths on this day! Therefore, many people in Guangdong and Guangxi have the habit of bathing in the four seasons, even in the north. When I was in college, I had a classmate from Guangdong who took a bath in Shandong in winter and was deeply impressed. After summer, northern China will have a beautiful autumn. The sky is high and the clouds are light, and the temperature is suitable, which is a good time to travel. Or make an appointment with three or five friends, or take a walk with the family, go to the wild to meet autumn scenery and watch clouds and shadows, which is a pleasant time. Moreover, after the summer heat, with the dissipation of the summer heat, the clouds in the sky are not as thick as in summer, and the clouds that are freely evacuated are particularly beautiful. Therefore, there is also a saying among the people that "seeing a clever cloud in July and August". In ancient times, even emperors would travel and have fun with officials during this period.

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Functionally, the most important thing in ancient times was to guide agricultural activities. Of course, today, although urban residents are becoming more and more unfamiliar with these solar terms, in rural areas, the 24 solar terms still play its role. Among the 24 solar terms, summer vacation is not like dichotomy, and it belongs to the less famous one. But for farming, summer is actually a very important node. As the third stage of the three stages of summer heat said: "He Naideng", summer heat is the time when rice is ripe. "Yi" says: "Although it is autumn, I am actually picking up materials". Busy for a season or even a year, isn't it for the autumn harvest? Therefore, before and after the summer heat, most parts of southern China are in the busy season of harvesting mid-season rice. In addition, some summer and autumn crops are about to mature. Therefore, there is a saying in the agricultural proverb: "Summer is full of rehmannia, and every family repairs the warehouse." Rice needs to be aired after harvest, so the weather is very demanding. It would be great if it was sunny when harvesting and drying. In addition, in some areas, it is the time to pick the first crop of cotton around summer, so there is also a saying that "it is sunny in summer and everyone picks new cotton". In northern China, rainfall began to decrease obviously after the intense heat, so it is particularly important to store water and conserve moisture. However, due to the decrease of precipitation, drought may occur in some places in summer and autumn, and farmland fire prevention work should also be paid attention to.

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