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Autumn Equinox 2025

Autumn Equinox 2025. Autumn equinox 2025 (beginning of astronomical autumn) on the day of the autumn (september) equinox, the sun, moving along the ecliptic, crosses the celestial equator, moving from the northern hemisphere to the southern. Autumnal/fall equinox north of the equator is mirrored south of the equator by the spring equinox.


Autumn Equinox 2025

Australia equinox and solstice dates. The autumn equinox, or the september equinox, represents the time in the year when the position of the sun is directly above the equator.

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