vernal equinox

The moment at which the Sun passes over the equator, occurring around March 21, marking the beginning of Spring.

The only times that the amount of daylight and night are equal is during either the Autumnal or Vernal Equinox.

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Autumnal Equinox

The moment at which the Sun passes over the equator, occurring around September 21st or 22nd, marking the beginning of Autumn or Fall.

The only times that the amount of daylight and night are equal is during either the Vernal or Autumnal Equinox.

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