Does the autumnal equinox mean that the autumn is half past the 2019 autumnal equinox
autumnal equinox is one of the twenty-four solar terms. At the autumnal equinox, the weather has gradually turned cool and people have added clothes. Does the autumnal equinox represent half of autumn? How is the 2019 autumnal equinox calculated? Where is the sun on the autumnal equinox? Next, let's follow the old yellow calendar of this issue and have a look!
you may be interested in: does the autumnal equinox of
on the auspicious day of construction in 2020 mean that half of autumn is over: Yes, the autumnal equinox means that one is the equinox of day and night, that is, the day and night are 12 hours, because the sun shines directly on the equator at the autumnal equinox, and the sunlight in the northern and southern hemispheres is the same, and the other is that half of autumn has passed. At this time, autumn is the most comfortable, half cold and half warm.
2019 autumnal equinox calculation formula: [y] × Interpretation of D + C] - L formula: y = the last two digits of years, d = 0.2422, l = leap years, 21st century C = 23.042, 20th century = 23.822. Example: autumn equinox date in 2088 = [88 × 0.2422 + 23.042] - [88 / 4] = 44-22 = 22, September 22 is the autumnal equinox. Exception: the calculation result of 1942 plus 1 day. It can be calculated that the autumnal equinox in 2019 is September 23.
you may be interested in: where is the direct point of the sun at the autumnal equinox of
on the auspicious day of certification in 2020: the equatorial autumnal equinox, the 16th of the twenty-four solar terms of the lunar calendar, usually from September 22 to 24 every year. The climate in the South began to fall from this solar term. First, the sun reaches 180 degrees of the Yellow meridians on this day and directly hits the earth's equator. Therefore, in most parts of the earth, the day is divided into 24 hours and 12 hours. Near the north pole (90 ° n) and south pole (90 ° s), the special phenomenon of "the sun circling on the horizon all day" can be observed on this day. After the autumnal equinox, the days are shorter and the nights are longer in the northern hemisphere (the day is shorter than the night in a day), and the days are longer and the nights are shorter in the southern hemisphere (the day is longer than the night in a day). 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.,
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autumnal equinox "in 2020 is the earliest solar term established by the ancients, just like the" spring equinox ". According to the "spring and autumn dew · Yin and Yang in and out part I and part II", the autumnal equinox is accompanied by Yin and Yang, so it is cold and hot day and night. The meaning of "autumnal equinox" has two meanings: first, the four seasons are divided according to the four seasons of beginning of spring, beginning of summer, beginning of autumn and beginning of winter in ancient China. The autumnal equinox is among the 90 days of autumn, and the autumn is divided equally. Second, at this time, 24 hours a day, day and night are equally divided, 12 hours each. This day is the same as the "spring equinox" day. On the "autumn equinox" day, the sun is almost direct at the equator. After this day, the direct position of the sun moves south, and the days in the northern hemisphere are short and the nights are long.https://www.dailyq-a.com/Culture/28800.html
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