Sky Tonight—March 20, The 2011 March equinox

Courtesy of EarthSky A Clear Voice for Science Visit EarthSky at www.EarthSky.org The March equinox happens today at 23:21 Universal Time, which is 17:21 (5:21 p.m.) Mountain Daylight Time for us in the U.S. The March equinox signals the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. It marks that special moment when the sun crosses the celestial equator going from south to north. How do I translate Universal Time into my time? Celebrate the change of ... Full Story