Date of event:
Friday, March 20, 2009 - 4:44am
Audience:
Everybody is welcome to attend! ;-)
Website:
http://aa.usno.navy.mil/data/docs/EarthSeasons.php
Vernal Equinox, the point where the sun crosses the equator and spring begins (in the northern hemisphere), is at 11:44 UTC (4:44 PDT).