1.

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 2018 at 21:48 EDT (2,057 days ago) in Virgo

2.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Fri, 06 Jul 2018 at 12:46 EDT (2,135 days ago) in Pisces

3.

June solstice 21 June will be the longest day of 2018 in the northern hemisphere. Thu, 21 Jun 2018 at 06:01 EDT (2,150 days ago) in Taurus

4.

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 2018 at 12:10 EDT (2,243 days ago) in Pisces

5.

The Earth at perihelion The Earth reaches its closest point to the Sun. Wed, 03 Jan 2018 at 00:34 EDT (2,319 days ago) in Pisces

6.

December solstice 21 December will be the shortest day of 2017 in the northern hemisphere. Thu, 21 Dec 2017 at 11:23 EDT (2,332 days ago) in Sagittarius

7.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Fri, 22 Sep 2017 at 15:57 EDT (2,422 days ago) in Virgo

8.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Mon, 03 Jul 2017 at 16:11 EDT (2,503 days ago) in Pisces

9.

June solstice 21 June will be the longest day of 2017 in the northern hemisphere. Wed, 21 Jun 2017 at 00:19 EDT (2,515 days ago) in Taurus

10.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Mon, 20 Mar 2017 at 06:25 EDT (2,608 days ago) in Pisces

11.

The Earth at perihelion The Earth reaches its closest point to the Sun. Wed, 04 Jan 2017 at 09:17 EDT (2,683 days ago) in Pisces

12.

December solstice 21 December will be the shortest day of 2016 in the northern hemisphere. Wed, 21 Dec 2016 at 05:41 EDT (2,697 days ago) in Sagittarius

13.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Thu, 22 Sep 2016 at 10:18 EDT (2,787 days ago) in Virgo

14.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Mon, 04 Jul 2016 at 12:24 EDT (2,867 days ago) in Pisces

15.

June solstice 20 June will be the longest day of 2016 in the northern hemisphere. Mon, 20 Jun 2016 at 18:32 EDT (2,881 days ago) in Taurus

16.

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 2016 at 00:29 EDT (2,973 days ago) in Pisces

17.

The Earth at perihelion The Earth reaches its closest point to the Sun. Sat, 02 Jan 2016 at 17:48 EDT (3,051 days ago) in Pisces

18.

December solstice 22 December will be the shortest day of 2015 in the northern hemisphere. Mon, 21 Dec 2015 at 23:47 EDT (3,062 days ago) in Sagittarius

19.

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 (3,152 days ago) in Virgo

20.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Mon, 06 Jul 2015 at 15:40 EDT (3,231 days ago) in Pisces