Which comes first, the Autumnal Equinox or the Beginning of Autumn in 2021? The difference between the Autumnal Equinox and the Beginning of Autumn
Everyone has more or less heard of "Beginning of Autumn" and "Autumnal Equinox", and you may be curious, both of them are autumn, what is the difference between them? Which comes first, the Autumnal Equinox or the Beginning of Autumn in 2021? What is the difference between the Autumnal Equinox and the Beginning of Autumn? With the arrival of the eighth month of the lunar calendar, autumn finally brings some coolness to everyone. At this refreshing time, don’t forget to pay attention to the relevant content of the eighth month of the lunar calendar in 2021 on Shuimoxiansheng.com, which will give you detailed answers!Which comes first, the Autumnal Equinox or the Beginning of Autumn in 2021?beginning of autumn.The beginning of autumn in 2021 is August 7, 2021 The Autumnal Equinox 2021 is September 23, 2021 The difference between the Autumnal Equinox and the Beginning of Autumn1. Different time: Beginning of Autumn comes first, Autumnal Equinox comes later】The time of the beginning of autumn is when the sun reaches 135 degrees of ecliptic longitude from August 6 to 9 every year. The Beginning of Autumn is the 13th solar term in the 24 solar terms of the lunar calendar and the first solar term of autumn, marking the official start of the early autumn season: "Autumn" means the end of summer and the arrival of coolness. When the Beginning of Autumn comes, the paulownia trees start to shed their leaves, hence the idiom “falling leaves indicate the coming of autumn”. From a literary perspective, the word "autumn" is composed of the characters "禾" and "火", which means the maturity of crops. Autumn is a transitional season when the weather changes from hot to cool, and then from cool to cold. 】The time of the autumnal equinox is when the sun reaches 180 degrees of ecliptic longitude from September 22nd to 24th every year. The Autumnal Equinox, the 16th solar term in the 24 solar terms of the lunar calendar, usually falls on September 22-24 every year. The climate in the south begins to enter autumn from this solar term. First, the sun reaches 180 degrees of ecliptic longitude on this day, directly shining on the earth's equator. Therefore, in most parts of the earth, the 24 hours of day and night are equally divided, 12 hours each. 2. Different characteristics of solar terms 】Climate characteristics of the Beginning of Autumn "Li Qiu" has arrived, but it does not mean that the autumn weather has arrived. The division of climate seasons is based on the "average temperature", that is, the local average temperature for five consecutive days is below 22℃, 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. Therefore, Chinese medicine calls the period from the beginning of autumn to the autumnal equinox "long summer". Heilongjiang and northern Xinjiang, the earliest regions to enter autumn, do not enter autumn until mid-August. In normal years, the capital Beijing begins to feel the cool autumn breeze in early September, and autumn begins in the Qinhuai area from mid-September. 】Climate characteristics of the Autumnal Equinox <br /> After the Autumnal Equinox, the position of the sun's direct rays moves to the southern hemisphere. The northern hemisphere receives less and less solar radiation, while the ground loses more heat, and the temperature drops significantly faster. The "Autumnal Equinox" is exactly half of the 90 days from the Beginning of Autumn to the Frost Descent. From the day of the autumnal equinox, the climate presents three main characteristics: the position of direct sunlight continues to move from the equator to the southern hemisphere, the phenomenon of shorter days and longer nights in the northern hemisphere will become more and more obvious, with the days gradually getting shorter and the nights getting longer (until the winter solstice when the nights are longest and the days are shortest); the temperature difference between day and night gradually increases, and the amplitude will be more than 10°C; the temperature drops day by day, getting colder day by day, and gradually entering the late autumn season. The situation in the Southern Hemisphere is exactly the opposite. What are the customs of the Autumnal Equinox?1. Autumnal Equinox Moon WorshipSince ancient times, the Autumnal Equinox has been a traditional "Moon Worship Festival". According to historical records, as early as the Zhou Dynasty, ancient emperors had the custom of worshiping the sun on the vernal equinox, the earth on the summer solstice, the moon on the autumnal equinox, and the sky on the winter solstice. 2. Egg Standing on the Autumnal Equinox There is a saying that goes "When the Autumnal Equinox comes, the eggs stand upright", which refers to the custom of laying eggs upright on the Autumnal Equinox. During the autumnal equinox, people would choose fresh eggs that were only four or five days old, smooth and symmetrical, and then gently place the eggs upright on the table. 3. Eat autumn vegetables during the autumnal equinox Qiucai is a kind of wild amaranth, which the locals call "Qiubihao". People go to pick Qiucai on the day of the autumnal equinox. The harvested autumn vegetables are usually boiled with fish fillets at home, which is called "autumn soup". 4. Send autumn oxen on the Autumnal Equinox On the day of the Autumnal Equinox, "Autumn Officials" would go door to door delivering pictures of autumn oxen with the image of a farmer plowing the fields printed on them. When sending off the cow, people also sing auspicious words that are in line with the farming season to pray for a good harvest. |
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