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 (2,068 days ago) in Virgo

2.

December solstice 21 December will be the shortest day of 2018 in the northern hemisphere. Fri, 21 Dec 2018 at 17:16 EDT (1,978 days ago) in Sagittarius

3.

The Earth at perihelion The Earth reaches its closest point to the Sun. Thu, 03 Jan 2019 at 00:19 EDT (1,965 days ago) in Pisces

4.

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 (1,889 days ago) in Pisces

5.

June solstice 21 June will be the longest day of 2019 in the northern hemisphere. Fri, 21 Jun 2019 at 11:47 EDT (1,796 days ago) in Taurus

6.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Thu, 04 Jul 2019 at 18:10 EDT (1,783 days ago) in Pisces

7.

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 (1,702 days ago) in Virgo

8.

December solstice 22 December will be the shortest day of 2019 in the northern hemisphere. Sat, 21 Dec 2019 at 23:12 EDT (1,612 days ago) in Sagittarius

9.

The Earth at perihelion The Earth reaches its closest point to the Sun. Sun, 05 Jan 2020 at 02:47 EDT (1,598 days ago) in Pisces

10.

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 (1,524 days ago) in Pisces

11.

June solstice 20 June will be the longest day of 2020 in the northern hemisphere. Sat, 20 Jun 2020 at 17:36 EDT (1,431 days ago) in Taurus

12.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Sat, 04 Jul 2020 at 07:34 EDT (1,417 days ago) in Pisces

13.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Tue, 22 Sep 2020 at 09:23 EDT (1,337 days ago) in Virgo

14.

December solstice 21 December will be the shortest day of 2020 in the northern hemisphere. Mon, 21 Dec 2020 at 04:55 EDT (1,247 days ago) in Sagittarius

15.

The Earth at perihelion The Earth reaches its closest point to the Sun. Sat, 02 Jan 2021 at 08:50 EDT (1,235 days ago) in Pisces

16.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Sat, 20 Mar 2021 at 05:30 EDT (1,158 days ago) in Pisces

17.

June solstice 21 June will be the longest day of 2021 in the northern hemisphere. Sun, 20 Jun 2021 at 23:25 EDT (1,066 days ago) in Taurus

18.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Mon, 05 Jul 2021 at 18:27 EDT (1,051 days ago) in Pisces

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, 22 Sep 2021 at 15:14 EDT (972 days ago) in Virgo

20.

December solstice 21 December will be the shortest day of 2021 in the northern hemisphere. Tue, 21 Dec 2021 at 10:53 EDT (882 days ago) in Sagittarius