spring equinox

Thesaurus

Noun

1.

spring equinox - March 21                             March equinox, vernal equinox Mar, March - the month following February and preceding April 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 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 spring, springtime - the season of growth; "the emerging buds were a sure sign of spring"; "he will hold office until the spring of next year"