1.

Geminid meteor shower 2019 The Geminid meteor shower reaches its peak. Sat, 14 Dec 2019 (1,594 days ago) in Gemini

2.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Sun, 15 Dec 2019 at 08:51 PDT (1,593 days ago) in Cancer

3.

The Orion Nebula is well placed The Orion Nebula (M42; mag 4.0) culminates at around midnight local time. Sun, 15 Dec 2019 (1,593 days ago) in Orion

4.

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. Sun, 15 Dec 2019 (1,593 days ago) in Orion

5.

Comae Berenicid meteor shower 2019 The Comae Berenicid meteor shower reaches its peak. Mon, 16 Dec 2019 (1,592 days ago) in Leo

6.

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. Wed, 18 Dec 2019 at 12:25 PDT (1,590 days ago) in Leo

7.

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. Wed, 18 Dec 2019 at 20:57 PDT (1,590 days ago) in Virgo

8.

December Leonis Minorid meteor shower 2019 The December Leonis Minorid meteor shower reaches its peak. Fri, 20 Dec 2019 (1,588 days ago) in Leo Minor

9.

December solstice 22 December will be the shortest day of 2019 in the northern hemisphere. Sat, 21 Dec 2019 at 20:12 PDT (1,587 days ago) in Sagittarius

10.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 3°31'. Sun, 22 Dec 2019 at 17:48 PDT (1,586 days ago) in Libra

11.

Ursid meteor shower 2019 The Ursid meteor shower reaches its peak. Sun, 22 Dec 2019 (1,585 days ago) in Ursa Minor

12.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Sun, 22 Dec 2019 at 19:51 PDT (1,586 days ago) in Libra

13.

Jupiter at apogee Jupiter reaches its furthest point from the Earth, as it passes around the far side of the Sun. Wed, 25 Dec 2019 at 13:56 PDT (1,583 days ago) in Sagittarius

14.

New Moon The Moon disappears into the Sun's glare for a few days. Wed, 25 Dec 2019 at 21:14 PDT (1,583 days ago) in Sagittarius

15.

Annular solar eclipse There will be an eclipse of the Sun, visible from Asia. Wed, 25 Dec 2019 at 21:17 PDT (1,583 days ago) in Sagittarius

16.

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. Thu, 26 Dec 2019 at 11:57 PDT (1,582 days ago) in Sagittarius

17.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 1°12'. Fri, 27 Dec 2019 at 03:48 PDT (1,581 days ago) in Sagittarius

18.

Jupiter at solar conjunction Jupiter is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Fri, 27 Dec 2019 at 10:14 PDT (1,581 days ago) in Sagittarius

19.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 59'. Sat, 28 Dec 2019 at 17:32 PDT (1,580 days ago) in Capricornus

20.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Sat, 28 Dec 2019 at 17:56 PDT (1,580 days ago) in Capricornus