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EN
2025 September equinox: All you need to know
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EarthSky
In 2025, the equinox occurs on September 22 at 18:19 UTC (1:19 p.m. CDT).That’s when the sun shines directly over Earth’s equator.
This equinox brings spring to Earth’s Southern Hemisphere and autumn to the Northern Hemisphere.
At an equinox, the sun appears directly above Earth’s equator.
It’s bringing summer to the Southern Hemisphere and winter to the Northern Hemisphere.
The 2025 September equinox will fall at 18:19 UTC (1:19 p.m. CDT) on September 22, 2025.
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