What time is the Autumnal Equinox in 2021? How to calculate accurately?
The Autumnal Equinox is one of the 24 solar terms. The arrival of the Autumnal Equinox indicates that autumn is getting deeper and that most parts of my country have entered the cool autumn. The temperature will then gradually drop and become colder. So, what time is the autumnal equinox in 2021? How to calculate accurately? As we enter the eighth lunar month of 2021, the temperature has finally dropped. What kind of development trend will our fortune show? Welcome to Shuimoxiansheng.com to get the exciting fortune content for the eighth month of the lunar calendar in 2021, and we will give you detailed answers!What time is the Autumnal Equinox in 2021?The Autumnal Equinox in 2021 is at 3:20 on September 23, 2021 in the Gregorian calendar, and August 17 in the Lunar calendar year of Xinchou.Autumnal equinox is the sixteenth solar term in the twenty-four solar terms, and usually falls on September 22-24 of the Gregorian calendar every year. On the day of the autumnal equinox, the sun reaches 180° of ecliptic longitude (the autumnal equinox point), almost directly shining on the Earth's equator, and the day and night are equal in length everywhere in the world (not considering the refraction of sunlight by the atmosphere and the twilight shadows). After the autumnal equinox, the sun's direct point continues to move from the equator to the southern hemisphere, and the days begin to become shorter and the nights longer in all parts of the northern hemisphere, that is, the day begins to be shorter than the night within a day; the opposite is true in the southern hemisphere. Therefore, the autumnal equinox is also called the autumnal equinox. At the North and South Poles, on the day of the autumnal equinox, the sun stays above the horizon all day. After that, as the sun's direct point continues to move south, a six-month polar night begins near the North Pole, gradually expanding and then shrinking in scope; a six-month polar day begins near the South Pole, gradually expanding and then shrinking in scope. Calculation method of autumnal equinox dateCalculation formula: [Y×D+C]-L Formula interpretation: Y=last 2 digits of the year, D=0.2422, L=leap year number, in the 21st century C=23.042, in the 20th century C=23.822.For example: The date of the autumnal equinox in 2088 = [88×0.2422+23.042]-[88/4]=44-22=22, September 22 is the autumnal equinox. Exception: For 1942, add one day to the result. What is the date of the autumnal equinox in 2021-2035?Autumnal Equinox 2021: September 23, 03:20:55, Lunar August 2021 (small) 17Autumnal Equinox 2022: September 23, 09:03:31, the 28th day of the eighth month of the lunar calendar 2022 Autumnal Equinox 2023: September 23, 14:49:46, the ninth day of the eighth month of the lunar calendar 2023 The autumnal equinox time in 2024 is 20:43:27 on September 22, the 20th day of the eighth month of the lunar calendar in 2024. Autumnal Equinox 2025: September 23, 02:19:04, the first day of the eighth month of the lunar calendar 2025 The autumnal equinox in 2026 is at 08:04:56 on September 23, the 13th day of the eighth month in the lunar calendar of 2026. The autumnal equinox in 2027 is at 14:01:23 on September 23, the 23rd day of the eighth month in the lunar calendar in 2027. The autumnal equinox in 2028 is at 19:44:59 on September 22, the fourth day of the eighth month of the lunar calendar in 2028. Autumnal Equinox 2029: September 23, 01:38:09, August 16, 2029 The autumnal equinox in 2030 is at 07:26:30 on September 23, the 26th day of the eighth month in the lunar calendar in 2030. The autumnal equinox in 2031 is at 13:14:54 on September 23, the seventh day of the eighth month in the lunar calendar of 2031. The autumnal equinox time in 2032 is 19:10:27 on September 22, the 18th day of the eighth month in the lunar calendar of 2032. The autumnal equinox time in 2033 is September 23, 00:51:12, the first day of the ninth month in the lunar calendar of 2033. The autumnal equinox time in 2034 is: September 23, 06:39:04, the eleventh day of the eighth month of the lunar calendar in 2034 The autumnal equinox in 2035 is at 12:38:26 on September 23, the 22nd day of the eighth month in the lunar calendar of 2035. |
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