What does the autumnal equinox mean differently? Where is the direct sun
autumnal equinox is one of the twenty-four solar terms. At the autumnal equinox, the weather has quietly changed and people begin to add clothes. What does the autumnal equinox mean differently? Where is the sun on the autumnal equinox? Next, let's follow the old yellow calendar of this issue and have a look!
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mean differently in 2020? The temperature of
is getting lower and lower. During the autumnal equinox, most parts of China have entered a cool autumn. The cold air going south meets the gradually decaying warm and humid air, resulting in repeated precipitation, The temperature also dropped again and again. As people often say, it is time for "one autumn rain and one cold", but the daily precipitation after the autumnal equinox will not be very large. After the autumnal equinox, the temperature difference between day and night gradually increases, and the range will be higher than 10 ℃; The temperature drops day by day, colder day by day, and gradually enters the late autumn season.and
mean that the drought and little rain or continuous overcast rain in the autumnal equinox season are the main adverse factors affecting the normal progress of the "three autumn", especially the continuous overcast rain will cause the crops to fall, mildew or sprout, resulting in serious losses. "Sanqiu" is very busy. The most important thing is "early". Timely harvest of autumn crops can avoid the harm of early frost and continuous rain. Timely and early sowing of winter crops can strive to make full use of the heat resources before winter, cultivate strong seedlings and survive the winter safely, so as to lay the foundation for high yield in the coming year.
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means that the autumnal equinox is on September 22, 23 or 24 of the Gregorian calendar every year, which is one of the traditional 24 solar terms in China,. "Fen" means the equinox of day and night. Like the spring equinox, the sun shines directly on the earth's equator on this day, and day and night are equal. Since then, the direct sunlight position moved southward, the days in the northern hemisphere became shorter and the nights longer, and the temperature decreased, which is of universal significance in the country. The time of day and night is equal, and gradually from long day to short night to long day. On this day, the sun reaches 180 degrees of the Yellow meridians and goes straight to the equator of the earth. Therefore, the 24 hours of this day are divided into 12 hours day and night; There is no polar day or polar night phenomenon in the world.
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in 2020: the earth's equatorial equinox is the 16th of the 24 solar terms in the lunar calendar, usually on September 22 or 23 every year. The climate in the South began to fall from this solar term. On this day, the sun reaches 180 degrees of the Yellow meridians and goes straight to the equator of the earth. Therefore, the day is divided into 24 hours and 12 hours each; There is no polar day or polar night phenomenon in the world. After the autumnal equinox, the range of polar night near the Arctic becomes larger and the range of polar day near the Antarctic becomes larger.https://www.dailyq-a.com/Culture/28720.html
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