While the September equinox usually occurs on September 22 or 23, it can very rarely fall on September 21 or September 24. A September 21 equinox has not happened for several millennia. However, in the 21st century, it will happen twice—in 2092 and 2096.
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Because of differences between the calendar year and the tropical year, the September equinox may occur from September 21 to 24. Illumination of Earth by the ...
The equinox in September is the start of fall in the Northern Hemisphere and the beginning of spring south of the equator. Equinox and solstice dates—years 1- ...
Sep 21, 2023 · While the autumnal equinox usually occurs on Sept. 22 or 23, it occasionally falls outside those dates. An early Sept. 21 equinox last ...
The September equinox will fall at 12:44 UTC (7:44 a.m. CDT) on September 22, 2024. Note: The name equinox comes from the Latin aequus (equal) and nox (night).
The Equinoxes (Vernal & Autumnal). There are only two times of the year when the Earth's axis is tilted neither toward nor away from the sun, resulting in a ...
Apr 19, 2024 · In the Northern Hemisphere the autumnal equinox falls about September 22 or 23, as the Sun crosses the celestial equator going south. In the ...
The September equinox marks the first day of autumn for anybody living in the northern hemisphere, and the first day of spring for anybody living in the ...
The fall equinox is here. What does that mean? - AP News
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Sep 22, 2023 · The Northern Hemisphere's spring — or vernal — equinox can land between March 19 and 21, depending on the year. Its fall – or autumnal — equinox ...