301.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Wed, 01 Dec 2021 at 08:10 EDT (879 days ago) in Aquarius

302.

Pheonicid meteor shower 2021 The Pheonicid meteor shower reaches its peak. Thu, 02 Dec 2021 (878 days ago) in Phoenix

303.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Thu, 02 Dec 2021 at 18:31 EDT (878 days ago) in Ophiuchus

304.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 41'. Thu, 02 Dec 2021 at 19:27 EDT (878 days ago) in Libra

305.

Total solar eclipse There will be an eclipse of the Sun, visible from Antarctica. Sat, 04 Dec 2021 at 02:33 EDT (876 days ago) in Ophiuchus

306.

New Moon The Moon disappears into the Sun's glare for a few days. Sat, 04 Dec 2021 at 02:44 EDT (876 days ago) in Ophiuchus

307.

The Moon at perigee The Moon makes its monthly closest approach to the Earth, making it appear fractionally larger than at other times of the month. Sat, 04 Dec 2021 at 05:04 EDT (876 days ago) in Ophiuchus

308.

The Moon at perihelion The Moon passes its orbit's closest point to the Sun, which happens each month around the time of new moon. Sun, 05 Dec 2021 at 04:23 EDT (875 days ago) in Sagittarius

309.

December φ-Cassiopeid meteor shower 2021 The December φ-Cassiopeid meteor shower reaches its peak. Mon, 06 Dec 2021 (874 days ago) in Andromeda

310.

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 (874 days ago) in Sagittarius

311.

Venus at highest altitude in evening sky Venus is bright and well placed in the evening sky. Mon, 06 Dec 2021 (874 days ago) in Ophiuchus

312.

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 (874 days ago) in Sagittarius

313.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Mon, 06 Dec 2021 at 20:08 EDT (874 days ago) in Sagittarius

314.

Puppid-Velid meteor shower 2021 The Puppid-Velid meteor shower reaches its peak. Tue, 07 Dec 2021 (873 days ago) in Vela

315.

Venus at greatest brightness Venus reaches its greatest brightness in the evening sky. Tue, 07 Dec 2021 at 11:09 EDT (873 days ago) in Sagittarius

316.

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 (873 days ago) in Capricornus

317.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Tue, 07 Dec 2021 at 22:28 EDT (873 days ago) in Capricornus

318.

Monocerotid meteor shower 2021 The Monocerotid meteor shower reaches its peak. Wed, 08 Dec 2021 (871 days ago) in Monoceros

319.

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 (871 days ago) in Capricornus

320.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Thu, 09 Dec 2021 at 03:49 EDT (871 days ago) in Capricornus