Seasons for the Northern Hemisphere, 2003
Spring Equinox: Mar. 20, 8:00 P.M. EST (March 21, 01:00 UT*), Sun enters sign of Aries; spring begins.
Summer Solstice: June 21, 3:10 P.M. EDT (19:10 UT*), Sun enters sign of Cancer; summer begins.
Autumnal Equinox: Sept. 23, 6:47 A.M. EDT (10:47 UT*), Sun enters sign of Libra; fall begins.
Winter Solstice: Dec. 22, 2:04 A.M. EST (7:04 UT*), Sun enters sign of Capricorn; winter begins.