521.

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. Sun, 17 Mar 2024 at 00:11 EDT (122 days ago) in Taurus

522.

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. Sun, 17 Mar 2024 at 07:13 EDT (122 days ago) in Pisces

523.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Sun, 17 Mar 2024 at 12:47 EDT (122 days ago) in Pisces

524.

Venus at aphelion Venus passes the furthest point along its orbit from the Sun. Tue, 19 Mar 2024 at 14:30 EDT (120 days ago) in Aquarius

525.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Tue, 19 Mar 2024 at 23:04 EDT (120 days ago) in Pisces

526.

Close approach of Venus and Saturn Venus and Saturn pass within 19' of each other. Thu, 21 Mar 2024 at 19:15 EDT (118 days ago) in Aquarius

527.

Conjunction of Venus and Saturn Venus and Saturn share the same right ascension, at a separation of 20'. Thu, 21 Mar 2024 at 21:59 EDT (118 days ago) in Aquarius

528.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Fri, 22 Mar 2024 at 23:52 EDT (117 days ago) in Pisces

529.

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 Mar 2024 at 11:44 EDT (116 days ago) in Leo

530.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Sun, 24 Mar 2024 (115 days ago) in Pisces

531.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Sun, 24 Mar 2024 at 13:54 EDT (115 days ago) in Pisces

532.

Full Moon The Moon reaches full phase and is visible for much of the night. Mon, 25 Mar 2024 at 03:00 EDT (114 days ago) in Virgo

533.

Penumbral lunar eclipse There will be an eclipse of the Moon, visible from the Americas, Antarctica, Alaska and north-eastern Russia. Mon, 25 Mar 2024 at 03:12 EDT (114 days ago) in Virgo

534.

The Moon at aphelion The Moon recedes to its orbit's furthest point from the Sun, which happens each month around the time of full moon. Wed, 27 Mar 2024 at 23:58 EDT (112 days ago) in Libra

535.

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. Sat, 30 Mar 2024 at 04:28 EDT (109 days ago) in Coma Berenices

536.

Lunar occultation of Antares The Moon will pass in front of Antares (Alpha Scorpii), creating a lunar occultation visible from Oceania, Baker Island, Federated States of Micronesia, Howland Island, Jarvis Island, Kingman Reef, Palmyra Atoll, Tokelau and Wake Island. Sat, 30 Mar 2024 at 11:08 EDT (109 days ago) in Scorpius

537.

The Sombrero Galaxy is well placed The Sombrero Galaxy M104 (NGC 4594; mag 8.6) in Virgo culminates at around midnight local time. Mon, 01 Apr 2024 (107 days ago) in Virgo

538.

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. Mon, 01 Apr 2024 at 23:15 EDT (107 days ago) in Sagittarius

539.

Conjunction of Venus and Neptune Venus and Neptune share the same right ascension, at a separation of 17'. Wed, 03 Apr 2024 at 06:53 EDT (105 days ago) in Pisces

540.

Messier 94 is well placed M94 (mag 8.2), a spiral galaxy in Canes Venatici culminates at around midnight local time. Thu, 04 Apr 2024 (104 days ago) in Canes Venatici