421.

Comae Berenicid meteor shower 2028 The Comae Berenicid meteor shower reaches its peak. Fri, 15 Dec 2028 (1,612 days away) in Leo

422.

New Moon The Moon disappears into the Sun's glare for a few days. Fri, 15 Dec 2028 at 21:07 EDT (1,612 days away) in Ophiuchus

423.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Sat, 16 Dec 2028 at 17:37 EDT (1,613 days away) in Pisces

424.

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. Sat, 16 Dec 2028 at 20:51 EDT (1,613 days away) in Sagittarius

425.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 1°58'. Sun, 17 Dec 2028 at 01:55 EDT (1,614 days away) in Sagittarius

426.

December Leonis Minorid meteor shower 2028 The December Leonis Minorid meteor shower reaches its peak. Tue, 19 Dec 2028 (1,616 days away) in Leo Minor

427.

December solstice 21 December will be the shortest day of 2028 in the northern hemisphere. Thu, 21 Dec 2028 at 03:26 EDT (1,618 days away) in Sagittarius

428.

Ursid meteor shower 2028 The Ursid meteor shower reaches its peak. Fri, 22 Dec 2028 (1,619 days away) in Ursa Minor

429.

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. Sat, 23 Dec 2028 at 16:00 EDT (1,620 days away) in Pisces

430.

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. Sat, 23 Dec 2028 at 16:45 EDT (1,620 days away) in Pisces

431.

Jupiter at aphelion Jupiter passes the furthest point along its orbit from the Sun. Mon, 25 Dec 2028 at 05:29 EDT (1,622 days away) in Virgo

432.

Comet 185P/Petriew passes perihelion Comet 185P/Petriew makes its closest approach to the Sun. Mon, 25 Dec 2028 (1,622 days away) in Aquarius

433.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 7°50'. Tue, 26 Dec 2028 at 13:51 EDT (1,623 days away) in Cetus

434.

1 Ceres at solar conjunction 1 Ceres is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Wed, 27 Dec 2028 at 00:43 EDT (1,624 days away) in Sagittarius

435.

Close approach of the Moon and M45 The Moon and M45 pass close to each other. Thu, 28 Dec 2028 at 10:40 EDT (1,625 days away) in Taurus

436.

The cluster NGC 2232 is well placed The open star cluster NGC 2232 (mag 4.2) in Monoceros culminates at around midnight local time. Thu, 28 Dec 2028 (1,625 days away) in Monoceros

437.

The Rosette Nebula is well placed The Rosette Nebula (C49; mag 9.0) in Monoceros culminates at around midnight local time. Fri, 29 Dec 2028 (1,626 days away) in Monoceros

438.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Sat, 30 Dec 2028 at 22:30 EDT (1,627 days away) in Sagittarius