Seasons for the Northern Hemisphere, 2016
- Vernal Equinox: Mar. 20, 12:30 A.M. EDT (04:30 UT*), Sun enters sign of Aries; spring begins.
- Summer Solstice: June 20, 6:34 P.M. EDT (22:34 UT*), Sun enters sign of Cancer; summer begins.
- Autumnal Equinox: Sept. 22, 10:21 A.M. EDT (14:21 UT*), Sun enters sign of Libra; fall begins.
- Winter Solstice: Dec. 21, 5:44 A.M. EDT (10:44 UT*), Sun enters sign of Capricorn; winter begins.
*Universal time (UT), also known as Greenwich mean time (GMT). See Astronomy for a conversion table of universal time.