21.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Wed, 23 Sep 2015 at 04:20 EDT (3,160 days ago) in Virgo

22.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Mon, 06 Jul 2015 at 15:40 EDT (3,239 days ago) in Pisces

23.

June solstice 21 June will be the longest day of 2015 in the northern hemisphere. Sun, 21 Jun 2015 at 12:38 EDT (3,254 days ago) in Taurus

24.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Fri, 20 Mar 2015 at 18:46 EDT (3,347 days ago) in Pisces

25.

The Earth at perihelion The Earth reaches its closest point to the Sun. Sun, 04 Jan 2015 at 01:36 EDT (3,422 days ago) in Pisces

26.

December solstice 21 December will be the shortest day of 2014 in the northern hemisphere. Sun, 21 Dec 2014 at 18:04 EDT (3,436 days ago) in Sagittarius

27.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Mon, 22 Sep 2014 at 22:31 EDT (3,526 days ago) in Virgo

28.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Thu, 03 Jul 2014 at 20:13 EDT (3,607 days ago) in Pisces

29.

June solstice 21 June will be the longest day of 2014 in the northern hemisphere. Sat, 21 Jun 2014 at 06:54 EDT (3,619 days ago) in Taurus

30.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Thu, 20 Mar 2014 at 13:00 EDT (3,712 days ago) in Pisces

31.

The Earth at perihelion The Earth reaches its closest point to the Sun. Sat, 04 Jan 2014 at 06:58 EDT (3,787 days ago) in Pisces

32.

December solstice 21 December will be the shortest day of 2013 in the northern hemisphere. Sat, 21 Dec 2013 at 12:14 EDT (3,801 days ago) in Sagittarius

33.

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 (3,891 days ago) in Virgo

34.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Fri, 05 Jul 2013 at 10:44 EDT (3,970 days ago) in Pisces

35.

June solstice 21 June will be the longest day of 2013 in the northern hemisphere. Fri, 21 Jun 2013 at 01:08 EDT (3,984 days ago) in Taurus

36.

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 (4,077 days ago) in Pisces

37.

The Earth at perihelion The Earth reaches its closest point to the Sun. Tue, 01 Jan 2013 at 23:37 EDT (4,154 days ago) in Pisces

38.

December solstice 21 December will be the shortest day of 2012 in the northern hemisphere. Fri, 21 Dec 2012 at 06:17 EDT (4,166 days ago) in Sagittarius

39.

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 (4,256 days ago) in Virgo

40.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Wed, 04 Jul 2012 at 23:32 EDT (4,336 days ago) in Pisces