The specific time of the beginning of autumn in 2021 is what month, early or late
The specific time of the 2021 Liqiu is August 7, 2021 in the Gregorian calendar, which is the 29th day of the sixth month of the lunar calendar.The beginning of autumn every year is between August 7th and August 8th, so it is not early or late, it is just a normal law of change.
Introduction to the beginning of autumn
The beginning of autumn is the 13th solar term in the twenty-four solar terms, and it is also the first solar term in autumn.Liqiu’s "Li" means the beginning, and "Autumn" refers to the time when crops are mature.The beginning of autumn means that the summer is going to cool and the autumn begins.It is a solar term that reflects the seasons.The ancients of China divided the beginning of autumn into three phases:one is the arrival of the cool breeze; the second is that the white dew is born; the third is that the cold cicadas are singing."The Beginning of Autumn" is an important annual festival in China.As early as 3,000 years ago, the ancients had the ceremony of "Welcome to the Western Suburbs on the Day of the Beginning of Autumn", and there were many customs.Today, Chinese folk still have the custom of "sticking autumn fat" and "biting autumn" on the day of the beginning of autumn.
The time of the beginning of autumn in 2021
Every August 7th or 8th, when the sun reaches 135° ecliptic longitude is the beginning of autumn.Therefore, the time of the beginning of autumn in 2021 refers to August 7, 2021 in the Gregorian calendar, which is the 29th day of the sixth month of the lunar calendar."The Collection of the Seventy-two Hours of the Moon Order":"autumn, grabbing is also, and things are pulled and restrained here." The beginning of autumn not only heralds the end of the hot summer, but also the arrival of autumn.It also means that the plants are beginning to bear fruit, and the harvest season is here.At this time, early rice was harvested in central China, late rice was transplanted, and the autumn crops entered an important period of growth and development.The ancients regarded the beginning of autumn as an important moment at the turn of summer and autumn, and always attached great importance to this solar term.
Climatic characteristics of the beginning of autumn in 2021
According to the standard for dividing the seasons according to the average temperature of the climate, it must be autumn when the average temperature for 5 consecutive days is below 22℃.According to this standard, The Jianghuai region generally does not enter autumn until mid-to-late September.After the beginning of autumn, although the heat is hard to dissipate, and although there is a "autumn tiger", the general trend is that the weather is gradually cooler.The daily difference in temperature is gradually obvious, often hot during the day and cooler at night.In addition, the meaning of autumn also means that the crops are about to mature.In fact, according to the standard of climatological division of seasons, the average daily temperature in the second half of the year drops steadily below 22°C, which is the beginning of autumn.Except for areas where winter is always connected with spring and autumn without summer, China rarely enters autumn at the beginning of autumn.area.
"The beginning of autumn" has arrived, but not the autumn climate has arrived.The division of climatic seasons is based on the "average temperature", that is, the local average temperature for 5 consecutive days is below 22 ℃, which is the true autumn season.China has a vast territory, and although the climate varies from place to place, most areas have not yet entered the autumn climate at this time.Moreover, the last day of the hot dog days is still on the 3rd day after the beginning of autumn.Especially in southern China, it is still summer and summer in this solar term.At the same time, because the typhoon and rainy season is fading away and the temperature is even hotter, Chinese medicine also calls the period from the beginning of autumn to before the autumn equinox "long summer".
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