401.

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. Tue, 14 Mar 2023 at 22:08 EDT (487 days ago) in Ophiuchus

402.

γ-Normid meteor shower 2023 The γ-Normid meteor shower reaches its peak. Wed, 15 Mar 2023 (486 days ago) in Norma

403.

Neptune at solar conjunction Neptune 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, 15 Mar 2023 at 19:30 EDT (486 days ago) in Pisces

404.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Fri, 17 Mar 2023 at 06:53 EDT (484 days ago) in Pisces

405.

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, 19 Mar 2023 at 11:12 EDT (482 days ago) in Aquarius

406.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°35'. Sun, 19 Mar 2023 at 11:22 EDT (482 days ago) in Aquarius

407.

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. Sun, 19 Mar 2023 at 11:42 EDT (482 days ago) in Aquarius

408.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Mon, 20 Mar 2023 at 17:20 EDT (481 days ago) in Pisces

409.

1 Ceres at opposition 1 Ceres lies in the opposite direction to the Sun in the sky, making it closer and brighter than at other times. It is also optimally positioned to be observable for much of the night. Tue, 21 Mar 2023 at 13:00 EDT (480 days ago) in Coma Berenices

410.

New Moon The Moon disappears into the Sun's glare for a few days. Tue, 21 Mar 2023 at 13:24 EDT (480 days ago) in Pisces

411.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 32'. Wed, 22 Mar 2023 at 15:56 EDT (479 days ago) in Pisces

412.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Wed, 22 Mar 2023 at 16:21 EDT (479 days ago) in Pisces

413.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 6'31". Fri, 24 Mar 2023 at 06:27 EDT (477 days ago) in Aries

414.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Fri, 24 Mar 2023 at 06:32 EDT (477 days ago) in Aries

415.

Lunar occultation of Venus The Moon will pass in front of Venus, creating a lunar occultation visible from Africa, Asia, Spratly Islands and Paracel Islands. Fri, 24 Mar 2023 at 06:32 EDT (477 days ago) in Aries

416.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Tue, 28 Mar 2023 at 09:04 EDT (473 days ago) in Gemini

417.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 2°17'. Tue, 28 Mar 2023 at 09:16 EDT (473 days ago) in Gemini

418.

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. Tue, 28 Mar 2023 at 22:32 EDT (473 days ago) in Gemini

419.

136472 Makemake at opposition 136472 Makemake lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Wed, 29 Mar 2023 at 22:38 EDT (472 days ago) in Coma Berenices

420.

Conjunction of Venus and Uranus Venus and Uranus share the same right ascension, at a separation of 1°17'. Fri, 31 Mar 2023 at 02:13 EDT (470 days ago) in Aries