1.

June solstice 21 June will be the longest day of 2017 in the northern hemisphere. Wed, 21 Jun 2017 at 00:19 EDT (2,499 days ago) in Taurus

2.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Mon, 03 Jul 2017 at 16:11 EDT (2,487 days ago) in Pisces

3.

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 (2,406 days ago) in Virgo

4.

December solstice 21 December will be the shortest day of 2017 in the northern hemisphere. Thu, 21 Dec 2017 at 11:23 EDT (2,316 days ago) in Sagittarius

5.

The Earth at perihelion The Earth reaches its closest point to the Sun. Wed, 03 Jan 2018 at 00:34 EDT (2,303 days ago) in Pisces

6.

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 (2,227 days ago) in Pisces

7.

June solstice 21 June will be the longest day of 2018 in the northern hemisphere. Thu, 21 Jun 2018 at 06:01 EDT (2,134 days ago) in Taurus

8.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Fri, 06 Jul 2018 at 12:46 EDT (2,119 days ago) in Pisces

9.

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 (2,041 days ago) in Virgo

10.

December solstice 21 December will be the shortest day of 2018 in the northern hemisphere. Fri, 21 Dec 2018 at 17:16 EDT (1,951 days ago) in Sagittarius

11.

The Earth at perihelion The Earth reaches its closest point to the Sun. Thu, 03 Jan 2019 at 00:19 EDT (1,938 days ago) in Pisces

12.

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 2019 at 17:52 EDT (1,862 days ago) in Pisces

13.

June solstice 21 June will be the longest day of 2019 in the northern hemisphere. Fri, 21 Jun 2019 at 11:47 EDT (1,769 days ago) in Taurus

14.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Thu, 04 Jul 2019 at 18:10 EDT (1,756 days ago) in Pisces

15.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Mon, 23 Sep 2019 at 03:43 EDT (1,675 days ago) in Virgo

16.

December solstice 22 December will be the shortest day of 2019 in the northern hemisphere. Sat, 21 Dec 2019 at 23:12 EDT (1,585 days ago) in Sagittarius

17.

The Earth at perihelion The Earth reaches its closest point to the Sun. Sun, 05 Jan 2020 at 02:47 EDT (1,571 days ago) in Pisces

18.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Thu, 19 Mar 2020 at 23:42 EDT (1,497 days ago) in Pisces

19.

June solstice 20 June will be the longest day of 2020 in the northern hemisphere. Sat, 20 Jun 2020 at 17:36 EDT (1,404 days ago) in Taurus

20.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Sat, 04 Jul 2020 at 07:34 EDT (1,390 days ago) in Pisces