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Noun: spring equinox
  1. The spring equinox in the Northern Hemisphere, occurring around March 20 or 21, when day and night are of equal length
    "The spring equinox marks the beginning of spring";
    - vernal equinox, March equinox

Derived forms: spring equinoxes

Type of: equinox

Antonym: September equinox

Part of: Mar, March, spring, springtime

Encyclopedia: Spring equinox