521.

Full Moon The Moon reaches full phase and is visible for much of the night. Thu, 10 Jul 2025 at 16:36 EDT (375 days away) in Sagittarius

522.

Saturn enters retrograde motion Saturn reverses its direction of motion across the sky. Sun, 13 Jul 2025 at 00:00 EDT (378 days away) in Pisces

523.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Mon, 14 Jul 2025 at 08:48 EDT (379 days away) in Cancer

524.

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 (381 days away) in Pisces

525.

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 (381 days away) in Pisces

526.

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 (382 days away) in Sagittarius

527.

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 (382 days away) in Pisces

528.

Close approach of the Moon and M45 The Moon and M45 pass close to each other. Sun, 20 Jul 2025 at 06:55 EDT (385 days away) in Taurus

529.

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, 20 Jul 2025 at 09:54 EDT (385 days away) in Taurus

530.

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 (386 days away) in Taurus

531.

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 (386 days away) in Taurus

532.

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 (388 days away) in Gemini

533.

New Moon The Moon disappears into the Sun's glare for a few days. Thu, 24 Jul 2025 at 15:12 EDT (389 days away) in Cancer

534.

134340 Pluto at opposition 134340 Pluto lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Fri, 25 Jul 2025 at 11:43 EDT (390 days away) in Capricornus

535.

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. Fri, 25 Jul 2025 at 16:45 EDT (390 days away) in Cancer

536.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Mon, 28 Jul 2025 at 14:30 EDT (393 days away) in Virgo

537.

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 (393 days away) in Virgo

538.

Piscis Austrinid meteor shower 2025 The Piscis Austrinid meteor shower reaches its peak. Mon, 28 Jul 2025 (393 days away) in Piscis Austrinus

539.

Southern δ-Aquariid meteor shower 2025 The Southern δ-Aquariid meteor shower reaches its peak. Wed, 30 Jul 2025 (395 days away) in Aquarius

540.

α-Capricornid meteor shower 2025 The α-Capricornid meteor shower reaches its peak. Wed, 30 Jul 2025 (395 days away) in Capricornus