521.

Venus at superior solar conjunction Venus passes around the far side of the Sun. Fri, 26 Mar 2021 at 03:30 EDT (1,192 days ago) in Pisces

522.

Comet 10P/Tempel passes perihelion Comet 10P/Tempel makes its closest approach to the Sun. Tue, 23 Mar 2021 (1,195 days ago) in Aquarius

523.

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, 21 Mar 2021 at 10:41 EDT (1,197 days ago) in Gemini

524.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Sat, 20 Mar 2021 at 05:30 EDT (1,198 days ago) in Pisces

525.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Fri, 19 Mar 2021 at 14:47 EDT (1,199 days ago) in Taurus

526.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 1°55'. Fri, 19 Mar 2021 at 13:46 EDT (1,199 days ago) in Taurus

527.

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. Thu, 18 Mar 2021 at 01:02 EDT (1,200 days ago) in Aries

528.

γ-Normid meteor shower 2021 The γ-Normid meteor shower reaches its peak. Sun, 14 Mar 2021 (1,204 days ago) in Norma

529.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Sat, 13 Mar 2021 at 20:57 EDT (1,205 days ago) in Aquarius

530.

New Moon The Moon disappears into the Sun's glare for a few days. Sat, 13 Mar 2021 at 05:22 EDT (1,205 days ago) in Aquarius

531.

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. Wed, 10 Mar 2021 at 21:01 EDT (1,208 days ago) in Capricornus

532.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 3°41'. Wed, 10 Mar 2021 at 20:02 EDT (1,208 days ago) in Capricornus

533.

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, 10 Mar 2021 at 18:52 EDT (1,208 days ago) in Aquarius

534.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 4°02'. Wed, 10 Mar 2021 at 10:37 EDT (1,208 days ago) in Capricornus

535.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Tue, 09 Mar 2021 at 19:24 EDT (1,209 days ago) in Capricornus

536.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°40'. Tue, 09 Mar 2021 at 17:58 EDT (1,209 days ago) in Capricornus

537.

The Wishing Well cluster is well placed The Wishing Well open star cluster (NGC 3532; mag 3.0) in Carina culminates at around midnight local time. Mon, 08 Mar 2021 (1,210 days ago) in Carina

538.

Lunar occultation of Sigma Sagittarii The Moon will pass in front of Sigma Sagittarii (Nunki), creating a lunar occultation visible from Kazakhstan. Sun, 07 Mar 2021 at 19:49 EDT (1,211 days ago) in Sagittarius

539.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Sat, 06 Mar 2021 at 04:58 EDT (1,212 days ago) in Capricornus

540.

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. Fri, 05 Mar 2021 at 20:30 EDT (1,213 days ago) in Ophiuchus