281.

Comae Berenicid meteor shower 2025 The Comae Berenicid meteor shower reaches its peak. Mon, 15 Dec 2025 (149 days ago) in Leo

282.

The Moon at apogee The Moon recedes to its orbit's furthest point from the Earth, making it appear fractionally smaller than at other times of the month. Wed, 17 Dec 2025 at 01:08 EDT (148 days ago) in Libra

283.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 6°09'. Thu, 18 Dec 2025 at 07:14 EDT (147 days ago) in Ophiuchus

284.

December Leonis Minorid meteor shower 2025 The December Leonis Minorid meteor shower reaches its peak. Fri, 19 Dec 2025 (145 days ago) in Leo Minor

285.

New Moon The Moon disappears into the Sun's glare for a few days. Fri, 19 Dec 2025 at 20:44 EDT (146 days ago) in Sagittarius

286.

The Moon at perihelion The Moon passes its closest point to the Sun, a monthly occurrence around the time of new moon. Sat, 20 Dec 2025 at 10:58 EDT (145 days ago) in Sagittarius

287.

December solstice 21 December will be the shortest day of 2025 in the northern hemisphere. Sun, 21 Dec 2025 at 10:04 EDT (144 days ago) in Sagittarius

288.

Ursid meteor shower 2025 The Ursid meteor shower reaches its peak. Mon, 22 Dec 2025 (143 days ago) in Ursa Minor

289.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Fri, 26 Dec 2025 at 19:08 EDT (139 days ago) in Aquarius

290.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 4°01'. Fri, 26 Dec 2025 at 22:34 EDT (139 days ago) in Aquarius

291.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and remaining visible until around midnight. Sat, 27 Dec 2025 at 14:10 EDT (138 days ago) in Pisces

292.

The cluster NGC 2232 is well placed The open star cluster NGC 2232 (mag 4.2) in Monoceros culminates at around midnight local time. Sun, 28 Dec 2025 (137 days ago) in Monoceros

293.

The Rosette Nebula is well placed The Rosette Nebula (C49; mag 9.0) in Monoceros culminates at around midnight local time. Mon, 29 Dec 2025 (136 days ago) in Monoceros

294.

Close approach of the Moon and M45 The Moon and M45 pass close to each other. Wed, 31 Dec 2025 at 08:45 EDT (134 days ago) in Taurus

295.

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. Thu, 01 Jan 2026 at 16:44 EDT (133 days ago) in Taurus

296.

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, Peru, Colombia and Bolivia amongst others. Thu, 01 Jan 2026 at 20:51 EDT (133 days ago) in Taurus

297.

Asteroid 40 Harmonia at opposition Asteroid 40 Harmonia makes closest approach to the Earth. Fri, 02 Jan 2026 at 09:22 EDT (132 days ago) in Gemini

298.

The cluster Messier 41 is well placed The open star cluster M41 (NGC 2287; mag 4.5) in Canis Major culminates at around midnight local time. Fri, 02 Jan 2026 (132 days ago) in Canis Major

299.

Full Moon The Moon reaches full phase and is visible for much of the night. Sat, 03 Jan 2026 at 05:02 EDT (131 days ago) in Gemini

300.

The Moon at aphelion The Moon passes its furthest point from the Sun, a monthly occurrence around the time of full moon. Sat, 03 Jan 2026 at 08:27 EDT (131 days ago) in Gemini