Is the beginning of autumn in 2021 autumn? Which is hotter, the Summer Solstice or the Beginning of Autumn?
After the beginning of autumn, all things begin to move from lush growth to withered maturity. Want to know more about the Beginning of Autumn in 2021? Mr. Shui Mo's website has carefully compiled special topics about the sixth month of the lunar calendar in 2021. You can click to view them.Is the beginning of autumn in 2021 autumn?When the Autumn Begins in 2021, although it is the beginning of autumn in terms of the solar terms, strictly speaking it is not yet autumn.In the past, people divided the seasons based on the solar terms, but now they divide the seasons based on the average temperature. According to the synoptic mean temperature method, there are two main criteria for determining the beginning of autumn. One is that the average daily temperature is between 10℃ and 22℃ for five consecutive days, which is considered the beginning of autumn, and is called the "simple standard"; the other is that five consecutive groups of sliding mean temperatures are below 22℃. A set of sliding average temperatures refers to the average temperature of the day plus the average temperature of the previous four days divided by 5, which is the 5-day sliding average temperature, which is the "sliding scale". Entering autumn means the hot weather is over and the cooler weather begins. When Autumn Begins in 2021, it is the middle of the dog days of summer, the hottest period of the year. High temperatures are experienced all over the country, so there is still a long time before autumn. Which is hotter, the Summer Solstice or the Beginning of Autumn?According to the climate characteristics of the solar terms and data from previous years, the weather during the Beginning of Autumn is hotter than during the Summer Solstice.The Summer Solstice is the fourth solar term in summer, and the Beginning of Autumn is the first solar term in autumn, but the hottest period in my country is not summer, but the dog days at the junction of summer and autumn. The dog days usually occur on the third Geng day after the summer solstice, which means that the dog days have not yet begun during the summer solstice. The beginning of autumn usually occurs during the dog days of summer, and is often during the hottest period of the middle dog days, so the beginning of autumn is often much hotter than the summer solstice. Summer Solstice: The summer solstice is the 10th solar term in the 24 solar terms and the 4th solar term in summer. It falls on June 21st to 22nd in the Gregorian calendar, when the sun reaches 90° of the ecliptic longitude. As the saying goes, "It's not hot after the summer solstice" and "The third day after the summer solstice is the first day of the dog days." Although the summer solstice indicates that the hot summer has arrived, it is not the hottest time yet. The temperature will continue to rise for a period of time after the summer solstice, and after about another 20 to 30 days, it will generally be the hottest weather. Beginning of Autumn: Li Qiu is the 13th solar term in the 24 solar terms and the first solar term in autumn. It falls on August 7-8 in the Gregorian calendar, when the sun reaches 135° of the ecliptic longitude. The arrival of the Beginning of Autumn does not mean that autumn has arrived, because the climate seasons are now divided according to the "seasonal average temperature", that is, the local average temperature for 5 consecutive days is below 22°C, which is the real autumn season. China has a vast territory. Although the climate varies from place to place, most areas have not yet entered the autumn climate at this time. Moreover, the last of the hottest days of the year is on the third day after the beginning of autumn. Especially in southern China, it is still summer during this solar term. At the same time, as the typhoon rain season is gradually passing, the temperature is even hotter. Chinese medicine also calls the period from the beginning of autumn to the autumnal equinox the "long summer." Do you want to know your own Bazi? Want to figure out where your golden marriage is? Click on the [Premium Calculation] below to calculate your horoscope and fortune! |
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