641.

New Moon The Moon disappears into the Sun's glare for a few days. Wed, 25 Jun 2025 at 06:32 EDT (344 days away) in Auriga

642.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Thu, 26 Jun 2025 (345 days away) in Cancer

643.

Jupiter at apogee Jupiter reaches its furthest point from the Earth, as it passes around the far side of the Sun. Thu, 26 Jun 2025 at 12:01 EDT (345 days away) in Gemini

644.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 2°50'. Fri, 27 Jun 2025 at 02:03 EDT (346 days away) in Cancer

645.

June Bootid meteor shower 2025 The June Bootid meteor shower reaches its peak. Fri, 27 Jun 2025 (346 days away) in Bootes

646.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Sat, 28 Jun 2025 at 17:25 EDT (347 days away) in Cancer

647.

The cluster NGC 6633 is well placed The open star cluster NGC 6633 (mag 4.6) in Ophiuchus culminates at around midnight local time. Sat, 28 Jun 2025 (347 days away) in Ophiuchus

648.

Conjunction of Saturn and Neptune Saturn and Neptune share the same right ascension, at a separation of 59'. Sun, 29 Jun 2025 at 04:20 EDT (348 days away) in Pisces

649.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 12'. Sun, 29 Jun 2025 at 21:04 EDT (348 days away) in Leo

650.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Sun, 29 Jun 2025 at 21:16 EDT (348 days away) in Leo

651.

Lunar occultation of Mars The Moon will pass in front of Mars, creating a lunar occultation visible from Peru, Ecuador, Colombia and Clipperton Island. Sun, 29 Jun 2025 at 21:16 EDT (348 days away) in Leo

652.

Messier 22 is well placed The globular cluster M22 (mag 5.2) in Sagittarius, near the Galactic centre, culminates at around midnight local time. Tue, 01 Jul 2025 (350 days away) in Sagittarius

653.

The cluster IC 4756 is well placed The open star cluster IC 4756 (mag 4.6) in Serpens culminates at around midnight local time. Tue, 01 Jul 2025 (350 days away) in Serpens Cauda

654.

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, 02 Jul 2025 at 15:30 EDT (351 days away) in Virgo

655.

Close approach of Mercury and M44 Mercury and M44 pass close to each other. Thu, 03 Jul 2025 at 02:02 EDT (352 days away) in Cancer

656.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Thu, 03 Jul 2025 at 15:54 EDT (352 days away) in Pisces

657.

Lunar occultation of Spica The Moon will pass in front of Spica (Alpha Virginis), creating a lunar occultation visible from countries and territories including Antarctica, Argentina, Chile and Falkland Islands amongst others. Thu, 03 Jul 2025 at 17:40 EDT (352 days away) in Virgo

658.

Conjunction of Venus and Uranus Venus and Uranus share the same right ascension, at a separation of 2°25'. Thu, 03 Jul 2025 at 20:55 EDT (352 days away) in Taurus

659.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Fri, 04 Jul 2025 at 00:37 EDT (353 days away) in Cancer

660.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Fri, 04 Jul 2025 at 17:30 EDT (353 days away) in Pisces