Synonyms and Antonyms for september-equinox

1. September equinox (n.)

September 22

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2. mid-September (n.)

the middle part of September

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3. September (n.)

the month following August and preceding October

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4. equinox (n.)

either of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal length

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5. equinox (n.)

(astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic

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