21.

Lunar occultation of Neptune The Moon will pass in front of Neptune, creating a lunar occultation visible from countries and territories including Australia, New Zealand, Tasmania and Lord Howe Island amongst others. Sat, 04 May 2024 at 15:08 EDT (17 days ago) in Pisces

22.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Sat, 04 May 2024 at 22:16 EDT (17 days ago) in Pisces

23.

Lunar occultation of Mars The Moon will pass in front of Mars, creating a lunar occultation visible from countries and territories including Madagascar, Mauritius, Reunion and Seychelles amongst others. Sat, 04 May 2024 at 22:16 EDT (17 days ago) in Pisces

24.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 11'. Sat, 04 May 2024 at 22:25 EDT (17 days ago) in Pisces

25.

Comet 479P/Elenin passes perihelion Comet 479P/Elenin makes its closest approach to the Sun. Sun, 05 May 2024 (16 days ago) in Hydra

26.

η-Aquariid meteor shower 2024 The η-Aquariid meteor shower reaches its peak. Sun, 05 May 2024 (16 days ago) in Aquarius

27.

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. Sun, 05 May 2024 at 18:04 EDT (16 days ago) in Pisces

28.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 3°49'. Mon, 06 May 2024 at 04:25 EDT (15 days ago) in Pisces

29.

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. Mon, 06 May 2024 at 04:34 EDT (15 days ago) in Pisces

30.

New Moon The Moon disappears into the Sun's glare for a few days. Tue, 07 May 2024 at 23:23 EDT (14 days ago) in Aries

31.

η-Lyrid meteor shower 2024 The η-Lyrid meteor shower reaches its peak. Wed, 08 May 2024 (13 days ago) in Lyra

32.

Mars at perihelion Mars passes its orbit's closest point to the Sun. Wed, 08 May 2024 at 07:08 EDT (13 days ago) in Pisces

33.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Thu, 09 May 2024 at 15:43 EDT (12 days ago) in Pisces

34.

Lunar occultation of Beta Tauri The Moon will pass in front of Beta Tauri (Elnath), creating a lunar occultation visible from Sub-Saharan Africa. Fri, 10 May 2024 at 10:43 EDT (11 days ago) in Taurus

35.

Messier 5 is well placed The globular cluster M5 (NGC 5904; mag 5.7) in Serpens culminates at around midnight local time. Sat, 11 May 2024 (10 days ago) in Serpens Caput

36.

Uranus at solar conjunction Uranus is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Mon, 13 May 2024 at 05:04 EDT (8 days ago) in Aries

37.

Conjunction of Mercury and Eris Mercury and Eris share the same right ascension, at a separation of 8°07'. Tue, 14 May 2024 at 05:08 EDT (7 days ago) in Cetus

38.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Tue, 14 May 2024 (7 days ago) in Pisces

39.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Tue, 14 May 2024 at 19:04 EDT (7 days ago) in Pisces

40.

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. Wed, 15 May 2024 at 07:48 EDT (6 days ago) in Leo