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Because the Fall Equinox is not a fixed day, but is rather based on an astronomical prediction, the date can change year to year. But it always occurs between September 21 and September 24.
The autumnal equinox is scheduled to arrive at 7:44 a.m. CT Sunday, Sept. 22, according to the Old Farmer's Almanac. The equinox arrives at the same moment worldwide. When is the first day of winter?
In the Northern Hemisphere after the autumnal equinox, the days begin to get shorter as the winter solstice gets closer. The seasons result from the Earth's tilt toward or away from the Sun.
The September equinox (or southward equinox) is the moment when the Sun appears to cross the celestial equator, heading southward. Because of differences between the calendar year and the tropical year, the September equinox may occur from September 21 to 24. At the equinox, the Sun as viewed from the equator rises due east and sets due west ...
The Persian calendar begins each year at the northward equinox, observationally determined at Tehran. [15] The Indian national calendar starts the year on the day next to the vernal equinox on 22 March (21 March in leap years) with a 30-day month (31 days in leap years), then has 5 months of 31 days followed by 6 months of 30 days. [15]
The autumnal equinox is scheduled to arrive on Sunday, Sept. 22 at 8:44 a.m. ET, according to the Old Farmer's Almanac. The equinox arrives at the same moment worldwide. When is the first day of ...
Vernal equinox and autumnal equinox: these classical names are direct derivatives of Latin (ver = spring, and autumnus = autumn). These are the historically universal and still most widely used terms for the equinoxes, but are potentially confusing because in the southern hemisphere the vernal equinox does not occur in spring and the autumnal ...
Fall equinox 2024 arrives on Sunday, September 22. Find out why the first day of autumn still features a little more daylight than darkness.