What is the date and time of the Autumnal Equinox in 2021?
The Autumnal Equinox and the Mid-Autumn Festival are inextricably linked. Do you want to know more about the Autumnal Equinox? In the eighth month of the lunar calendar, the sky is high and the clouds are light, and the moon is clear in the cold pond; in the eighth month of the lunar calendar, the world is colorful and the harvest is abundant. Come to Shuimoxiansheng.com to learn more about the eighth lunar month of 2021 (9.7-10.5).When is the Autumnal Equinox in 2021?Autumnal Equinox is the sixteenth solar term of the twenty-four solar terms and the fourth solar term of autumn. The Big Dipper points to Ji; the sun reaches 180° of the ecliptic longitude; the solar term falls on September 22-24 of the Gregorian calendar every year.The Autumnal Equinox 2021 falls on the lunar calendar: August 17, 2021; the Gregorian calendar: September 23, 2021, Thursday Autumnal Equinox Time: 03:20:55 Is the time of the autumnal equinox fixed?The time of the autumnal equinox is not fixed and it is different every year.The time of the autumnal equinox is calculated based on the solar cycle. The time it takes for the Earth to orbit the sun is 365 days, 5 hours, 48 minutes and 46 seconds, and there are 365 days in a year, so the calculated error can be as small as an hour or as large as one or two days. How is the time of the autumnal equinox calculated?Calculation formula: [Y×D+C]-LFormula interpretation: Y=last two digits of the year, D=0.2422, L=leap year number, 21st century C=23.042, 20th century=23.822. For example: The date of the autumnal equinox in 2088 = [8×0.2422+23.042]-[88/4]=44-22=22, September 22 is the autumnal equinox. Exception: For 1942, one day is added to the result. Do you want to know your own Bazi? Want to figure out where your golden marriage is? Click on the [Premium Calculation] below to calculate your horoscope and fortune! |
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