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The September equinox is the moment the Sun crosses the celestial equator —an imaginary line in the sky above Earth’s equator — from north to south. This happens on September 22, 23, or 24 in most years. 10 facts about the September equinox.
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.
Sep 24, 2011 · Learn about the September equinox, when the sun crosses the celestial equator from north to south. Find out when it happens, why it happens, and how to observe it in the sky and in nature.
Learn about the astronomical and cultural significance of the September equinox, which marks the start of fall in the Northern Hemisphere and spring in the Southern Hemisphere. Find out when and where it occurs, how it affects day and night, and what events and phenomena are related to it.
Learn how different cultures and religions celebrate the autumnal equinox, when day and night are nearly equal. Discover the myths, festivals, and traditions of Persephone, Mabon, Michaelmas, Higan, Moon Festival, and Navaratri.
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Jan 24, 2024 · The Autumnal Equinox? The fall equinox and the first day of autumn arrives on Sunday, September 22, 2024, at 08:44 A.M. EDT in the Northern Hemisphere. The equinox occurs at the same moment worldwide.
Jun 25, 2024 · autumnal equinox, two moments in the year when the Sun is exactly above the Equator and day and night are of equal length; also, either of the two points in the sky where the ecliptic (the Sun’s annual pathway) and the celestial equator intersect. In the Northern Hemisphere the autumnal equinox falls about September 22 or 23, as the Sun ...
