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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.
In 2024, the autumnal equinox falls on Sunday, Sept. 22 at 8:43 a.m. EDT, the earliest start to astronomical fall since 1796, when it occurred on Sept. 22 at 3:27 a.m. LMT. While this equinox ...
The first day of fall this year, also known as the autumnal equinox is Sunday, Sept. 22. According to the Farmer's Almanac, the exact time of the autumnal equinox in the Northern Hemisphere is 8: ...
The fall equinox—also called the autumnal equinox—is the start of autumn in the Northern Hemisphere. ... The autumnal equinox will arrive at 2:50 a.m. Eastern Time. The equinox occurs at the ...
March equinox. The March equinox[7][8] or northward equinox[9] is the equinox on the Earth when the subsolar point appears to leave the Southern Hemisphere and cross the celestial equator, heading northward as seen from Earth. The March equinox is known as the vernal equinox (spring equinox) in the Northern Hemisphere and as the autumnal ...
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 ...
The fall equinox, also known as the autumnal equinox, is when astronomical fall arrives. This year, it will occur at 8:44 a.m. EDT on Sept. 22, according to the Naval Observatory.
September 22. September 22 is the 265th day of the year (266th in leap years) in the Gregorian calendar; 100 days remain until the end of the year.