21.

December solstice 21 December will be the shortest day of 2013 in the northern hemisphere. Sat, 21 Dec 2013 at 12:14 EDT (3,828 days ago) in Sagittarius

22.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Sun, 22 Sep 2013 at 16:48 EDT (3,918 days ago) in Virgo

23.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Fri, 05 Jul 2013 at 10:44 EDT (3,997 days ago) in Pisces

24.

June solstice 21 June will be the longest day of 2013 in the northern hemisphere. Fri, 21 Jun 2013 at 01:08 EDT (4,011 days ago) in Taurus

25.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Wed, 20 Mar 2013 at 07:07 EDT (4,104 days ago) in Pisces

26.

The Earth at perihelion The Earth reaches its closest point to the Sun. Tue, 01 Jan 2013 at 23:37 EDT (4,181 days ago) in Pisces

27.

December solstice 21 December will be the shortest day of 2012 in the northern hemisphere. Fri, 21 Dec 2012 at 06:17 EDT (4,193 days ago) in Sagittarius

28.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Sat, 22 Sep 2012 at 10:54 EDT (4,283 days ago) in Virgo

29.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Wed, 04 Jul 2012 at 23:32 EDT (4,363 days ago) in Pisces

30.

June solstice 20 June will be the longest day of 2012 in the northern hemisphere. Wed, 20 Jun 2012 at 19:15 EDT (4,377 days ago) in Taurus

31.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Tue, 20 Mar 2012 at 01:21 EDT (4,469 days ago) in Pisces

32.

The Earth at perihelion The Earth reaches its closest point to the Sun. Wed, 04 Jan 2012 at 19:31 EDT (4,545 days ago) in Pisces

33.

December solstice 22 December will be the shortest day of 2011 in the northern hemisphere. Thu, 22 Dec 2011 at 00:36 EDT (4,558 days ago) in Sagittarius

34.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Fri, 23 Sep 2011 at 05:11 EDT (4,648 days ago) in Virgo

35.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Mon, 04 Jul 2011 at 10:53 EDT (4,729 days ago) in Pisces

36.

June solstice 21 June will be the longest day of 2011 in the northern hemisphere. Tue, 21 Jun 2011 at 13:23 EDT (4,742 days ago) in Taurus

37.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Sun, 20 Mar 2011 at 19:27 EDT (4,835 days ago) in Pisces

38.

The Earth at perihelion The Earth reaches its closest point to the Sun. Mon, 03 Jan 2011 at 13:31 EDT (4,911 days ago) in Pisces

39.

December solstice 21 December will be the shortest day of 2010 in the northern hemisphere. Tue, 21 Dec 2010 at 18:45 EDT (4,924 days ago) in Sagittarius

40.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Wed, 22 Sep 2010 at 23:15 EDT (5,014 days ago) in Virgo