401.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Thu, 08 Mar 2018 at 23:45 EDT (2,322 days ago) in Libra

402.

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, 09 Mar 2018 at 06:20 EDT (2,322 days ago) in Ophiuchus

403.

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. Fri, 09 Mar 2018 (2,322 days ago) in Carina

404.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 3°48'. Fri, 09 Mar 2018 at 19:36 EDT (2,322 days ago) in Ophiuchus

405.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Fri, 09 Mar 2018 at 20:23 EDT (2,322 days ago) in Ophiuchus

406.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Sat, 10 Mar 2018 at 06:06 EDT (2,321 days ago) in Pisces

407.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 2°13'. Sat, 10 Mar 2018 at 21:20 EDT (2,321 days ago) in Sagittarius

408.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Sat, 10 Mar 2018 at 21:24 EDT (2,321 days ago) in Sagittarius

409.

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. Sun, 11 Mar 2018 at 05:13 EDT (2,320 days ago) in Sagittarius

410.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Wed, 14 Mar 2018 at 05:06 EDT (2,317 days ago) in Pisces

411.

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, 14 Mar 2018 at 10:37 EDT (2,317 days ago) in Capricornus

412.

γ-Normid meteor shower 2018 The γ-Normid meteor shower reaches its peak. Wed, 14 Mar 2018 (2,317 days ago) in Norma

413.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Thu, 15 Mar 2018 (2,316 days ago) in Pisces

414.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Thu, 15 Mar 2018 at 06:26 EDT (2,316 days ago) in Pisces

415.

New Moon The Moon disappears into the Sun's glare for a few days. Sat, 17 Mar 2018 at 09:12 EDT (2,314 days ago) in Aquarius

416.

Conjunction of Venus and Mercury Venus and Mercury share the same right ascension, at a separation of 3°53'. Sat, 17 Mar 2018 at 21:12 EDT (2,314 days ago) in Pisces

417.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 7°43'. Sun, 18 Mar 2018 at 14:08 EDT (2,313 days ago) in Pisces

418.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 3°44'. Sun, 18 Mar 2018 at 15:05 EDT (2,313 days ago) in Pisces

419.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Tue, 20 Mar 2018 at 12:10 EDT (2,311 days ago) in Pisces

420.

Close approach of the Moon and Collinder 50 The Moon and Collinder 50 pass close to each other. Thu, 22 Mar 2018 at 14:56 EDT (2,309 days ago) in Taurus