301.

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 (1,214 days ago) in Gemini

302.

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 (1,215 days ago) in Pisces

303.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Fri, 19 Mar 2021 at 14:47 EDT (1,216 days ago) in Taurus

304.

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 (1,216 days ago) in Taurus

305.

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 (1,217 days ago) in Aries

306.

γ-Normid meteor shower 2021 The γ-Normid meteor shower reaches its peak. Sun, 14 Mar 2021 (1,221 days ago) in Norma

307.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Sat, 13 Mar 2021 at 20:57 EDT (1,222 days ago) in Aquarius

308.

New Moon The Moon disappears into the Sun's glare for a few days. Sat, 13 Mar 2021 at 05:22 EDT (1,222 days ago) in Aquarius

309.

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 (1,225 days ago) in Capricornus

310.

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 (1,225 days ago) in Capricornus

311.

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 (1,225 days ago) in Aquarius

312.

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 (1,225 days ago) in Capricornus

313.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Tue, 09 Mar 2021 at 19:24 EDT (1,226 days ago) in Capricornus

314.

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 (1,226 days ago) in Capricornus

315.

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 (1,227 days ago) in Carina

316.

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 (1,228 days ago) in Sagittarius

317.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Sat, 06 Mar 2021 at 04:58 EDT (1,229 days ago) in Capricornus

318.

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 (1,230 days ago) in Ophiuchus

319.

Conjunction of Jupiter and Mercury Jupiter and Mercury share the same right ascension, at a separation of 19'. Fri, 05 Mar 2021 at 01:45 EDT (1,230 days ago) in Capricornus

320.

Close approach of Jupiter and Mercury Jupiter and Mercury pass within 19' of each other. Fri, 05 Mar 2021 at 00:54 EDT (1,230 days ago) in Capricornus