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vernal equinox

DEFINITIONS OF: vernal equinox

1

n March 21

Synonyms:
March equinox, spring equinox
Antonyms:
September equinox, autumnal equinox, fall equinox
September 22
Types:
Noruz, Nowrooz, Nowruz
(Persian) the new year holiday in Iran and Azerbaijan and Afghanistan and Pakistan and parts of India and among the Kurds; comes at the vernal equinox
Type of:
equinox
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

n (astronomy) the equinoctial point that lies in the constellation of Pisces

Type of:
equinoctial point, equinox
(astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic
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