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 Azebaijan 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"

astronomy, uranology - the branch of physics that studies celestial bodies and the universe as a whole

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