1.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 1°32'. Tue, 17 Mar 2026 at 14:52 PDT (14 days ago) in Aquarius

2.

Comet 88P/Howell passes perihelion Comet 88P/Howell makes its closest approach to the Sun. Wed, 18 Mar 2026 (13 days ago) in Capricornus

3.

New Moon The Moon disappears into the Sun's glare for a few days. Wed, 18 Mar 2026 at 18:24 PDT (13 days ago) in Pisces

4.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 4°37'. Fri, 20 Mar 2026 at 05:38 PDT (11 days ago) in Pisces

5.

March equinox Day and night have equal length: the beginning of astronomical spring in the northern hemisphere. Fri, 20 Mar 2026 at 07:48 PDT (11 days ago) in Pisces

6.

Asteroid 20 Massalia at opposition Asteroid 20 Massalia makes closest approach to the Earth. Sat, 21 Mar 2026 at 09:46 PDT (10 days ago) in Virgo

7.

Neptune at solar conjunction Neptune is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Sun, 22 Mar 2026 at 04:09 PDT (9 days ago) in Pisces

8.

The Moon at perigee The Moon makes its monthly closest approach to the Earth, appearing larger than at other times of the month – though only very fractionally. Sun, 22 Mar 2026 at 04:39 PDT (9 days ago) in Aries

9.

Close approach of the Moon and M45 The Moon and M45 pass close to each other. Mon, 23 Mar 2026 at 01:53 PDT (8 days ago) in Taurus

10.

Lunar occultation of Beta Tauri The Moon will pass in front of Beta Tauri (Elnath), creating a lunar occultation visible from countries and territories including Brazil, Venezuela, Colombia and Guyana amongst others. Tue, 24 Mar 2026 at 15:37 PDT (7 days ago) in Taurus

11.

Saturn at solar conjunction Saturn is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Wed, 25 Mar 2026 at 01:45 PDT (6 days ago) in Pisces

12.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and remaining visible until around midnight. Wed, 25 Mar 2026 at 12:18 PDT (6 days ago) in Auriga

13.

Mars at perihelion Mars passes its orbit's closest point to the Sun. Wed, 25 Mar 2026 at 23:41 PDT (6 days ago) in Aquarius

14.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 3°52'. Thu, 26 Mar 2026 at 05:12 PDT (5 days ago) in Gemini

15.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Thu, 26 Mar 2026 at 06:19 PDT (5 days ago) in Gemini

16.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Fri, 27 Mar 2026 at 20:54 PDT (4 days ago) in Cancer

17.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Sun, 29 Mar 2026 (2 days ago) in Aquarius

18.

Lunar occultation of Regulus The Moon will pass in front of Regulus (Alpha Leonis), creating a lunar occultation visible from parts of Africa, Asia, Europe, Russia, British Indian Ocean Territory, Corsica, Menorca, Mallorca, Ibiza and RAF Akrotiri. Sun, 29 Mar 2026 at 12:57 PDT (2 days ago) in Leo

19.

136472 Makemake at opposition 136472 Makemake is optimally positioned for observation. Wed, 01 Apr 2026 at 04:15 PDT (17 hours away) in Coma Berenices

20.

The Sombrero Galaxy is well placed The Sombrero Galaxy M104 (NGC 4594; mag 8.6) in Virgo culminates at around midnight local time. Wed, 01 Apr 2026 (Tomorrow) in Virgo