1.

The Earth at perihelion The Earth reaches its closest point to the Sun. Sat, 02 Jan 2021 at 08:50 EDT (1,209 days ago) in Pisces

2.

Quadrantid meteor shower 2021 The Quadrantid meteor shower reaches its peak. Sun, 03 Jan 2021 (1,208 days ago) in Bootes

3.

Moon at Last Quarter The Moon reaches last quarter phase – rising in the east at around midnight and appearing high in the sky by sunrise. Wed, 06 Jan 2021 at 04:37 EDT (1,205 days ago) in Virgo

4.

γ-Ursae Minorid meteor shower 2021 The γ-Ursae Minorid meteor shower reaches its peak. Mon, 18 Jan 2021 (1,192 days ago) in Ursa Minor

5.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and setting in the west at around midnight. Wed, 20 Jan 2021 at 16:02 EDT (1,191 days ago) in Pisces

6.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 5°03'. Thu, 21 Jan 2021 at 00:35 EDT (1,190 days ago) in Aries

7.

Close approach of the Moon, Mars and Uranus The Moon, Mars and Uranus pass close to one another. Thu, 21 Jan 2021 at 04:49 EDT (1,190 days ago) in Aries

8.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Sat, 23 Jan 2021 at 21:10 EDT (1,188 days ago) in Capricornus

9.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Sun, 24 Jan 2021 (1,186 days ago) in Capricornus

10.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Mon, 25 Jan 2021 at 02:45 EDT (1,186 days ago) in Capricornus

11.

Full Moon The Moon reaches full phase and is visible for much of the night. Thu, 28 Jan 2021 at 14:16 EDT (1,183 days ago) in Cancer

12.

Moon at Last Quarter The Moon reaches last quarter phase – rising in the east at around midnight and appearing high in the sky by sunrise. Thu, 04 Feb 2021 at 12:37 EDT (1,176 days ago) in Libra

13.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 3°41'. Thu, 18 Feb 2021 at 17:45 EDT (1,162 days ago) in Aries

14.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Thu, 18 Feb 2021 at 20:25 EDT (1,162 days ago) in Aries

15.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and setting in the west at around midnight. Fri, 19 Feb 2021 at 13:48 EDT (1,161 days ago) in Taurus

16.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Fri, 26 Feb 2021 (1,154 days ago) in Capricornus

17.

Full Moon The Moon reaches full phase and is visible for much of the night. Sat, 27 Feb 2021 at 03:17 EDT (1,153 days ago) in Leo

18.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Tue, 02 Mar 2021 at 09:18 EDT (1,150 days ago) in Capricornus

19.

Moon at Last Quarter The Moon reaches last quarter phase – rising in the east at around midnight and appearing high in the sky by sunrise. Fri, 05 Mar 2021 at 20:30 EDT (1,147 days ago) in Ophiuchus

20.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Sat, 06 Mar 2021 at 04:58 EDT (1,146 days ago) in Capricornus