1.

Mercury at inferior solar conjunction Mercury passes around the near side of the Sun. Thu, 31 Jul 2025 at 19:36 EDT (257 days ago) in Cancer

2.

Lunar occultation of Spica The Moon will pass in front of Spica (Alpha Virginis), creating a lunar occultation visible from Antarctica. Thu, 31 Jul 2025 at 01:35 EDT (257 days ago) in Virgo

3.

α-Capricornid meteor shower 2025 The α-Capricornid meteor shower reaches its peak. Wed, 30 Jul 2025 (258 days ago) in Capricornus

4.

Southern δ-Aquariid meteor shower 2025 The Southern δ-Aquariid meteor shower reaches its peak. Wed, 30 Jul 2025 (258 days ago) in Aquarius

5.

Piscis Austrinid meteor shower 2025 The Piscis Austrinid meteor shower reaches its peak. Mon, 28 Jul 2025 (260 days ago) in Piscis Austrinus

6.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 1°17'. Mon, 28 Jul 2025 at 15:45 EDT (260 days ago) in Virgo

7.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Mon, 28 Jul 2025 at 14:30 EDT (260 days ago) in Virgo

8.

The Moon at perihelion The Moon passes its closest point to the Sun, a monthly occurrence around the time of new moon. Fri, 25 Jul 2025 at 16:45 EDT (263 days ago) in Cancer

9.

134340 Pluto at opposition 134340 Pluto is optimally positioned for observation. Fri, 25 Jul 2025 at 02:24 EDT (263 days ago) in Capricornus

10.

New Moon The Moon disappears into the Sun's glare for a few days. Thu, 24 Jul 2025 at 15:12 EDT (264 days ago) in Cancer

11.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 4°54'. Wed, 23 Jul 2025 at 00:20 EDT (265 days ago) in Gemini

12.

Lunar occultation of Beta Tauri The Moon will pass in front of Beta Tauri (Elnath), creating a lunar occultation visible from Indonesia and Cocos Islands. Mon, 21 Jul 2025 at 20:36 EDT (267 days ago) in Taurus

13.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 7°07'. Mon, 21 Jul 2025 at 15:27 EDT (267 days ago) in Taurus

14.

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, 20 Jul 2025 at 09:54 EDT (268 days ago) in Taurus

15.

Close approach of the Moon and M45 The Moon and M45 pass close to each other. Sun, 20 Jul 2025 at 06:55 EDT (268 days ago) in Taurus

16.

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. Thu, 17 Jul 2025 at 20:38 EDT (271 days ago) in Pisces

17.

Messier 55 is well placed The globular cluster M55 (NGC 6809l; mag 6.3) in Sagittarius culminates at around midnight local time. Thu, 17 Jul 2025 (271 days ago) in Sagittarius

18.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°50'. Wed, 16 Jul 2025 at 06:30 EDT (272 days ago) in Pisces

19.

Close approach of the Moon, Saturn and Neptune The Moon, Saturn and Neptune pass close to one another. Wed, 16 Jul 2025 at 03:21 EDT (272 days ago) in Pisces

20.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Mon, 14 Jul 2025 at 08:48 EDT (274 days ago) in Cancer