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spring equinox is not in our dictionary (yet). Here's what it could mean:

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noun

  • The astronomical event, occurring around March 20 or 21 in the Northern Hemisphere, when the sun crosses the celestial equator, resulting in a day and night of nearly equal length and marking the start of the vernal season.

Example Sentences

Examples are provided to illustrate usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Easter is always on the first Sunday after the first full Moon that follows the spring equinox.

From BBC ● Apr. 4, 2026

This ensures the holiday lands on the first Sunday after the first full moon occurring on or after the spring equinox.

From Barron's ● Apr. 2, 2026

Thesaurus

Possible Synonyms

Words in our thesaurus

other words

  • first day of spring
  • the great thaw
  • day of balance
  • Ostara
  • March equinox

Possible Antonyms

Words in our thesaurus

other words

  • start of the cold season
  • winter solstice
  • first day of autumn
  • the long night

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