autumnal equinoxes

A form of autumnal equinox — The moment at which the Sun appears to cross the celestial equator while moving away from the observer’s hemisphere, occurring in September in the Northern Hemisphere and in March in the Southern Hemisphere.

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Meanings

noun
  1. pluralplural of autumnal equinox
Cite this entry
APA

autumnal equinoxes. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/autumnal%20equinoxes

MLA

“autumnal equinoxes.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/autumnal%20equinoxes. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “autumnal equinoxes,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/autumnal%20equinoxes.

Source: autumnal equinoxes on Wiktionary, CC BY-SA 4.0.