馃尭 Spring 路 March 21, 04:38 UTC

Wednesday, March 21, 1917 – June 21, 1917 All day

The March equinox: March 21, 1917 at 04:38 UTC (March 20, 11:38 pm EST in New York). Spring begins in the Northern Hemisphere, autumn in the Southern. The Sun crosses the celestial equator, and day and night are close to equal everywhere.