321.

The Moon at aphelion The Moon recedes to its orbit's furthest point from the Sun, which happens each month around the time of full moon. Wed, 17 Nov 2021 at 01:51 EDT (913 days ago) in Pisces

322.

Leonid meteor shower 2021 The Leonid meteor shower reaches its peak. Wed, 17 Nov 2021 (913 days ago) in Leo

323.

The Pleiades cluster is well placed The Pleiades open star cluster (M45; mag 1.3) in Taurus culminates at around midnight local time. Wed, 17 Nov 2021 (913 days ago) in Taurus

324.

Full Moon The Moon reaches full phase and is visible for much of the night. Fri, 19 Nov 2021 at 03:57 EDT (911 days ago) in Taurus

325.

Partial lunar eclipse There will be an eclipse of the Moon, visible from the Americas, Russia, Eastern Asia, Oceania and Alaska. Fri, 19 Nov 2021 at 04:03 EDT (911 days ago) in Taurus

326.

The Moon at apogee The Moon recedes to its orbit's furthest point from the Earth, making it appear fractionally smaller than at other times of the month. Sat, 20 Nov 2021 at 21:12 EDT (910 days ago) in Taurus

327.

α-Monocerotid meteor shower 2021 The α-Monocerotid meteor shower reaches its peak. Sun, 21 Nov 2021 (909 days ago) in Canis Minor

328.

1 Ceres at opposition 1 Ceres lies in the opposite direction to the Sun in the sky, making it closer and brighter than at other times. It is also optimally positioned to be observable for much of the night. Fri, 26 Nov 2021 at 23:54 EDT (903 days ago) in Taurus

329.

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. Sat, 27 Nov 2021 at 07:28 EDT (903 days ago) in Leo

330.

The Hyades cluster is well placed The Hyades open star cluster (Collinder 50; mag 1.0) in Taurus culminates at around midnight local time. Sat, 27 Nov 2021 (903 days ago) in Taurus

331.

November Orionid meteor shower 2021 The November Orionid meteor shower reaches its peak. Sun, 28 Nov 2021 (902 days ago) in Orion

332.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Sun, 28 Nov 2021 at 23:54 EDT (901 days ago) in Scorpius

333.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Wed, 01 Dec 2021 at 08:10 EDT (899 days ago) in Aquarius

334.

Pheonicid meteor shower 2021 The Pheonicid meteor shower reaches its peak. Thu, 02 Dec 2021 (898 days ago) in Phoenix

335.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Thu, 02 Dec 2021 at 18:31 EDT (898 days ago) in Ophiuchus

336.

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 (898 days ago) in Libra

337.

Total solar eclipse There will be an eclipse of the Sun, visible from Antarctica. Sat, 04 Dec 2021 at 02:33 EDT (896 days ago) in Ophiuchus

338.

New Moon The Moon disappears into the Sun's glare for a few days. Sat, 04 Dec 2021 at 02:44 EDT (896 days ago) in Ophiuchus

339.

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 (896 days ago) in Ophiuchus

340.

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 (895 days ago) in Sagittarius