21.

December φ-Cassiopeid meteor shower 2021 The December φ-Cassiopeid meteor shower reaches its peak. Mon, 06 Dec 2021 (872 days ago) in Andromeda

22.

Lunar occultation of Sigma Sagittarii The Moon will pass in front of Sigma Sagittarii (Nunki), creating a lunar occultation visible from countries and territories including Papua New Guinea, Indonesia, Australia and Solomon Islands amongst others. Mon, 06 Dec 2021 at 02:42 EDT (872 days ago) in Sagittarius

23.

Venus at highest altitude in evening sky Venus is bright and well placed in the evening sky. Mon, 06 Dec 2021 (872 days ago) in Ophiuchus

24.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 1°52'. Mon, 06 Dec 2021 at 19:49 EDT (872 days ago) in Sagittarius

25.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Mon, 06 Dec 2021 at 20:08 EDT (872 days ago) in Sagittarius

26.

Puppid-Velid meteor shower 2021 The Puppid-Velid meteor shower reaches its peak. Tue, 07 Dec 2021 (871 days ago) in Vela

27.

Venus at greatest brightness Venus reaches its greatest brightness in the evening sky. Tue, 07 Dec 2021 at 11:09 EDT (871 days ago) in Sagittarius

28.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 4°11'. Tue, 07 Dec 2021 at 20:49 EDT (871 days ago) in Capricornus

29.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Tue, 07 Dec 2021 at 22:28 EDT (871 days ago) in Capricornus

30.

Monocerotid meteor shower 2021 The Monocerotid meteor shower reaches its peak. Wed, 08 Dec 2021 (869 days ago) in Monoceros

31.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 4°28'. Thu, 09 Dec 2021 at 01:10 EDT (869 days ago) in Capricornus

32.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Thu, 09 Dec 2021 at 03:49 EDT (869 days ago) in Capricornus

33.

Asteroid 44 Nysa at opposition Asteroid 44 Nysa makes closest approach to the Earth. Fri, 10 Dec 2021 at 06:58 EDT (868 days ago) in Taurus

34.

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, 10 Dec 2021 at 20:36 EDT (868 days ago) in Aquarius

35.

σ-Hydrid meteor shower 2021 The σ-Hydrid meteor shower reaches its peak. Sat, 11 Dec 2021 (866 days ago) in Hydra

36.

Comet C/2021 A1 (Leonard) passes perigee Comet C/2021 A1 (Leonard) makes its closest approach to the Earth. Sun, 12 Dec 2021 (866 days ago) in Ophiuchus

37.

The Large Magellanic Cloud is well placed The Milky Way's dwarf companion, the Large Magellanic Cloud (LMC; mag 0.9), in Dorado culminates at around midnight local time. Sun, 12 Dec 2021 (866 days ago) in Dorado

38.

Conjunction of Venus and Pluto Venus and Pluto share the same right ascension, at a separation of 20'. Mon, 13 Dec 2021 at 01:37 EDT (865 days ago) in Sagittarius

39.

Geminid meteor shower 2021 The Geminid meteor shower reaches its peak. Tue, 14 Dec 2021 (864 days ago) in Gemini

40.

The Running Man cluster is well placed The Running Man cluster NGC 1977 (mag 4.2) in Orion's sword culminates at around midnight local time. Wed, 15 Dec 2021 (863 days ago) in Orion