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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.
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.
Nov 14, 2024 · The September equinox is a seasonal milestone in Earth’s yearly orbit around the sun. At an equinox, the sun appears directly above Earth’s equator.
On September 22, 2024, the day and night are almost equal in most locations. Here are 10 facts about the first day of astronomical fall (autumn) in the Northern Hemisphere. September is North's fall equinox. ©iStockphoto.com/Givaga.
4 days ago · In 2024, the autumnal (fall) equinox arrives on Sunday, September 22, marking the official first day of fall. Here's everything you should know about the fall equinox—plus our favorite fall facts, folklore, photos, and more!
Sep 15, 2024 · While meteorologists like to call fall at the beginning of September, astronomical autumn starts later, on the autumnal equinox. This year, it falls on Sunday, Sept. 22 at 8:44 a.m. EDT...
Sep 18, 2017 · In the Northern Hemisphere, the September equinox coincides with the fall harvest, and many ancient harvest celebrations take place on or around the fall equinox. When Is the 2024 Fall Equinox? The...
Sep 19, 2024 · This is the map at the moment of the 2024 September equinox. This year, the Sun will cross the equator from north to south at 12:43 UTC on Sunday, September 22. The above image from our Day and Night World Map shows the subsolar point at this moment.
In the Northern Hemisphere, the March equinox is called the vernal or spring equinox while the September equinox is called the autumnal or fall equinox. In the Southern Hemisphere, the reverse is true. During the year, equinoxes alternate with solstices.
Sep 20, 2024 · The September equinox will come on Sunday, September 22, 2024, at 12:44 UTC (7:44 a.m. CDT on September 22 for central North America). It’s the Northern Hemisphere’s autumn equinox and...