When Is Spring Equinox 2029. The spring equinox brings nearly equal amounts of daylight and darkness. December 21, 2029 9:14 am est (2:14 pm utc) the first new moon of spring.

Find out the date when march equinox is in 2029 and count down the days until march equinox with a countdown timer. Spring equinox 2029 (beginning of astronomical spring) on the day of the spring (march) equinox, the sun crosses the celestial equator, moving along the ecliptic.