When beginning of autumn comes, does it mean autumn?
Beginning of autumn is the 13 solar term in 24 solar terms, the end of the last month of the dry calendar and the beginning of applying for the moon; The time is around the first day of July in the lunar calendar (between August 7 and 9 in the Gregorian calendar). "Autumn" means that summer is cool, which means the beginning of autumn. When we arrived in beginning of autumn, the phoenix tree began to shed its leaves, so there is an idiom "Autumn is known by falling leaves". Autumn is the transitional season when the weather turns from hot to cold, and then from cold to cold. Beginning of autumn is the first solar term in autumn.
Beginning of autumn has arrived, but not in autumn. The division of climatic seasons should be based on the "average climate temperature", that is, the local average temperature is below 22℃ for five consecutive days, which is the real autumn. China is a vast country. Although the climate varies from place to place, most of them have not yet entered the autumn climate, and the last days of the dog days are still the third day after beginning of autumn. Beginning of Autumn
Especially in the south of China, this solar term is still a hot summer. At the same time, because the typhoon and rainy season are about to pass and the temperature is even hotter, TCM calls the period from beginning of autumn to the autumnal equinox "long summer".
According to the standard of dividing seasons according to the average climate temperature, it must be that the average temperature is lower than 22℃ for five consecutive days before autumn is considered. According to this standard, the Jianghuai area generally enters autumn in the middle and late September. After beginning of autumn, although the summer heat is hard to disappear for a while, although there is the afterglow of "autumn tiger", the general trend is that the weather is getting colder and colder. The daily temperature range is gradually obvious, which is often very hot during the day and very cold at night.
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