autumnal equinox

From Wiktionary, the free dictionary

English

English Wikipedia has an article on:
Wikipedia

Pronunciation

Noun

autumnal equinox (plural autumnal equinoxes)

  1. (astronomy) The moment when the sun appears to cross the celestial equator while tilting away from the observer, taking place in September in the northern hemisphere and March in the southern hemisphere.

Synonyms

Coordinate terms

Translations

See also

Wikiwand - on

Seamless Wikipedia browsing. On steroids.