Equinox and Solstice Dates 2009 - 2012

The Spring and Autumn Equinoxes are the times that day and night are exactly equal. Solstices are when there is the greatest disparity between night and day. Note that in the southern hemisphere Spring and Autumn Equinoxes and Summer and Winter Solstices are exchanged for each other.

2009
Spring Equinox	March 20	11 44
Summer Solstice	June 21	05 45
Autumn Equinox	September 22	21 18
Winter Solstice	December 21	17 47
2010
Spring Equinox	March 20	17 32
Summer Solstice	June 21	11 28
Autumn Equinox	September 23	03 09
Winter Solstice	December  21	23 38
2011
Spring Equinox	March 20	23:21
Summer Solstice	June 21	17:16
Autumn Equinox	September 23	09:04
Winter Solstice	December 22	05:30
2012
Spring Equinox	March 20	05:14
Summer Solstice	June 20	23:09
Autumn Equinox	September 22	14:49
Winter Solstice	December 21	11:11