Despite waking up to a light dusting of snow it is offically spring today:
The 2009 spring equinox in the northern hemisphere occurs Friday, March 20, at 6:44am CDT, when the Sun enters Aries. It is one of the two days of the year that the Sun moves across the celestial equator, the imaginary line among the stars that lies directly above the Earth's equator circling from east to west. The Sun's crossing of the celestial equator occurs one other time, on the autumn equinox. Both times this crossing occurs, the Sun rises exactly due east and sets exactly due west.
More fun equinox facts at this link.
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