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bn:14498883n
Noun Concept
Categories: Spring equinox, September events, Dynamics of the Solar System, Autumn equinox, Spherical astronomy
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September equinox  autumn equinox  Autumnal Equinox in northern hemisphere  fall equinox  Spring equinox
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The September equinox is the moment when the Sun appears to cross the celestial equator, heading southward. Wikipedia
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The September equinox is the moment when the Sun appears to cross the celestial equator, heading southward. Wikipedia
The autumnal equinox in the Northern Hemisphere Wikipedia Disambiguation
The spring equinox in the Southern Hemisphere Wikipedia Disambiguation
The equinox on the earth when the Sun appears to leave the nothern hemisphere and cross the celestial equator Wikidata
Moment around September 23rd (Autum in the northern hemisphere and Spring in the southern hemisphere), when day and night have approximately the same duration. OmegaWiki
The moment when the sun crosses the celestial equator while heading southward, occurring on September 22–23. That would be autumnal equinox in the northern hemisphere and vernal equinox in the southern hemisphere. Wiktionary