Meaning & use

fall equinox

noun·Academic

The point in autumn when day and night are nearly equal in length across the globe.

See it in a sentence

The fall equinox usually occurs around September 22 in the Northern Hemisphere.

Farmers once timed harvests around the fall equinox to track the changing season.

A note on using this word

After the fall equinox, nights grow longer than days until the winter solstice arrives.

Words with a similar meaning

autumnal equinox

Choose a synonym to suit the sentence. Meanings can overlap without being identical.

Words with an opposite meaning

spring equinox

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