401.

The Hyades cluster is well placed The Hyades open star cluster (Collinder 50; mag 1.0) in Taurus culminates at around midnight local time. Fri, 28 Nov 2031 (2,691 days away) in Taurus

402.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Sat, 29 Nov 2031 at 21:13 EDT (2,692 days away) in Taurus

403.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 1°09'. Sat, 29 Nov 2031 at 21:13 EDT (2,692 days away) in Taurus

404.

Mercury at inferior solar conjunction Mercury passes around the near side of the Sun. Sat, 29 Nov 2031 at 21:39 EDT (2,692 days away) in Scorpius

405.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Mon, 01 Dec 2031 at 11:48 EDT (2,694 days away) in Scorpius

406.

Pheonicid meteor shower 2031 The Pheonicid meteor shower reaches its peak. Tue, 02 Dec 2031 (2,695 days away) in Phoenix

407.

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. Wed, 03 Dec 2031 at 17:34 EDT (2,696 days away) in Cancer

408.

December φ-Cassiopeid meteor shower 2031 The December φ-Cassiopeid meteor shower reaches its peak. Sat, 06 Dec 2031 (2,699 days away) in Andromeda

409.

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, 06 Dec 2031 at 22:20 EDT (2,699 days away) in Leo

410.

Puppid-Velid meteor shower 2031 The Puppid-Velid meteor shower reaches its peak. Sun, 07 Dec 2031 (2,700 days away) in Vela

411.

Monocerotid meteor shower 2031 The Monocerotid meteor shower reaches its peak. Tue, 09 Dec 2031 (2,702 days away) in Monoceros

412.

Lunar occultation of Spica The Moon will pass in front of Spica (Alpha Virginis), creating a lunar occultation visible from Africa and Brazil. Wed, 10 Dec 2031 at 01:25 EDT (2,703 days away) in Virgo

413.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Thu, 11 Dec 2031 at 02:54 EDT (2,704 days away) in Libra

414.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 3°16'. Thu, 11 Dec 2031 at 04:18 EDT (2,704 days away) in Libra

415.

Saturn at opposition Saturn lies in the opposite direction to the Sun in the sky, making it slightly closer, brighter and larger than at other times. It is also optimally positioned to be observable for much of the night. Thu, 11 Dec 2031 at 13:52 EDT (2,704 days away) in Taurus

416.

σ-Hydrid meteor shower 2031 The σ-Hydrid meteor shower reaches its peak. Fri, 12 Dec 2031 (2,705 days away) in Hydra

417.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 1°36'. Fri, 12 Dec 2031 at 17:18 EDT (2,705 days away) in Libra

418.

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. Fri, 12 Dec 2031 (2,705 days away) in Dorado

419.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Sun, 14 Dec 2031 at 03:08 EDT (2,707 days away) in Libra

420.

New Moon The Moon disappears into the Sun's glare for a few days. Sun, 14 Dec 2031 at 04:06 EDT (2,707 days away) in Ophiuchus