1.

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. Fri, 09 Mar 2018 at 06:20 EDT (2,237 days ago) in Ophiuchus

2.

The Wishing Well cluster is well placed The Wishing Well open star cluster (NGC 3532; mag 3.0) in Carina culminates at around midnight local time. Fri, 09 Mar 2018 (2,237 days ago) in Carina

3.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 3°48'. Fri, 09 Mar 2018 at 19:36 EDT (2,237 days ago) in Ophiuchus

4.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Fri, 09 Mar 2018 at 20:23 EDT (2,237 days ago) in Ophiuchus

5.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Sat, 10 Mar 2018 at 06:06 EDT (2,236 days ago) in Pisces

6.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 2°13'. Sat, 10 Mar 2018 at 21:20 EDT (2,236 days ago) in Sagittarius

7.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Sat, 10 Mar 2018 at 21:24 EDT (2,236 days ago) in Sagittarius

8.

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. Sun, 11 Mar 2018 at 05:13 EDT (2,235 days ago) in Sagittarius

9.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Wed, 14 Mar 2018 at 05:06 EDT (2,232 days ago) in Pisces

10.

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. Wed, 14 Mar 2018 at 10:37 EDT (2,232 days ago) in Capricornus

11.

γ-Normid meteor shower 2018 The γ-Normid meteor shower reaches its peak. Wed, 14 Mar 2018 (2,232 days ago) in Norma

12.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Thu, 15 Mar 2018 (2,231 days ago) in Pisces

13.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Thu, 15 Mar 2018 at 06:26 EDT (2,231 days ago) in Pisces

14.

New Moon The Moon disappears into the Sun's glare for a few days. Sat, 17 Mar 2018 at 09:12 EDT (2,229 days ago) in Aquarius

15.

Conjunction of Venus and Mercury Venus and Mercury share the same right ascension, at a separation of 3°53'. Sat, 17 Mar 2018 at 21:12 EDT (2,229 days ago) in Pisces

16.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 7°43'. Sun, 18 Mar 2018 at 14:08 EDT (2,228 days ago) in Pisces

17.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 3°44'. Sun, 18 Mar 2018 at 15:05 EDT (2,228 days ago) in Pisces

18.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Tue, 20 Mar 2018 at 12:10 EDT (2,226 days ago) in Pisces

19.

Close approach of the Moon and Collinder 50 The Moon and Collinder 50 pass close to each other. Thu, 22 Mar 2018 at 14:56 EDT (2,224 days ago) in Taurus

20.

Lunar occultation of Aldebaran The Moon will pass in front of Aldebaran (Alpha Tauri), creating a lunar occultation visible from countries and territories including Greenland, Canada, Svalbard and Iceland amongst others. Thu, 22 Mar 2018 at 18:43 EDT (2,224 days ago) in Taurus