what does the winter end
In the Northern hemisphere, winter is defined meteorologically as December, January, and February. Winter ends and Spring begins in the Northern Hemisphere at the Vernal Equinox, which is at March 20, 2010, at precisely 1:32 P.M. EDT for this year (2010). For more information on the Vernal Equinox, see related links. In the Northern hemisphere, winter is defined meteorologically as December, January, and February.