321.

New Moon The Moon disappears into the Sun's glare for a few days. Fri, 07 Dec 2018 at 02:21 EDT (2,049 days ago) in Ophiuchus

322.

Puppid-Velid meteor shower 2018 The Puppid-Velid meteor shower reaches its peak. Fri, 07 Dec 2018 (2,049 days ago) in Vela

323.

Close approach of Mars and Neptune Mars and Neptune pass within 2'08" of each other. Fri, 07 Dec 2018 at 09:07 EDT (2,049 days ago) in Aquarius

324.

Conjunction of Mars and Neptune Mars and Neptune share the same right ascension, at a separation of 2'21". Fri, 07 Dec 2018 at 09:45 EDT (2,049 days ago) in Aquarius

325.

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. Sat, 08 Dec 2018 at 13:40 EDT (2,048 days ago) in Sagittarius

326.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 1°07'. Sun, 09 Dec 2018 at 00:17 EDT (2,047 days ago) in Sagittarius

327.

Monocerotid meteor shower 2018 The Monocerotid meteor shower reaches its peak. Sun, 09 Dec 2018 (2,047 days ago) in Monoceros

328.

Comet 46P/Wirtanen passes perihelion Comet 46P/Wirtanen makes its closest approach to the Sun. Tue, 11 Dec 2018 (2,045 days ago) in Taurus

329.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Tue, 11 Dec 2018 at 07:38 EDT (2,045 days ago) in Libra

330.

σ-Hydrid meteor shower 2018 The σ-Hydrid meteor shower reaches its peak. Wed, 12 Dec 2018 (2,044 days ago) in Hydra

331.

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, 12 Dec 2018 at 07:24 EDT (2,044 days ago) in Capricornus

332.

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. Wed, 12 Dec 2018 (2,044 days ago) in Dorado

333.

Venus at highest altitude in morning sky Venus is bright and well placed in the dawn sky. Thu, 13 Dec 2018 (2,043 days ago) in Libra

334.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Thu, 13 Dec 2018 (2,043 days ago) in Scorpius

335.

Comet 46P/Wirtanen reaches peak brightness Comet 46P/Wirtanen is forecast to reach the brightest point in its 2018 apparition. Fri, 14 Dec 2018 (2,042 days ago) in Taurus

336.

Comet 46P/Wirtanen passes perigee Comet 46P/Wirtanen makes its closest approach to the Earth. Fri, 14 Dec 2018 (2,042 days ago) in Taurus

337.

Geminid meteor shower 2018 The Geminid meteor shower reaches its peak. Fri, 14 Dec 2018 (2,042 days ago) in Gemini

338.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 3°33'. Fri, 14 Dec 2018 at 18:21 EDT (2,042 days ago) in Aquarius

339.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Fri, 14 Dec 2018 at 20:51 EDT (2,042 days ago) in Aquarius

340.

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. Sat, 15 Dec 2018 at 06:49 EDT (2,041 days ago) in Aquarius