101.

Comet 88P/Howell passes perihelion Comet 88P/Howell makes its closest approach to the Sun. Wed, 18 Mar 2026 (668 days away) in Capricornus

102.

New Moon The Moon disappears into the Sun's glare for a few days. Wed, 18 Mar 2026 at 21:24 EDT (668 days away) in Pisces

103.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 4°37'. Fri, 20 Mar 2026 at 08:38 EDT (670 days away) in Pisces

104.

March equinox Day and night have equal length, marking the beginning of spring in the northern hemisphere and autumn in the southern hemisphere. Fri, 20 Mar 2026 at 10:48 EDT (670 days away) in Pisces

105.

Asteroid 20 Massalia at opposition Asteroid 20 Massalia makes closest approach to the Earth. Sat, 21 Mar 2026 at 12:46 EDT (671 days away) in Virgo

106.

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, 22 Mar 2026 at 07:09 EDT (672 days away) in Pisces

107.

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, 22 Mar 2026 at 07:39 EDT (672 days away) in Aries

108.

Close approach of the Moon and M45 The Moon and M45 pass close to each other. Mon, 23 Mar 2026 at 04:53 EDT (673 days away) in Taurus

109.

Lunar occultation of Beta Tauri The Moon will pass in front of Beta Tauri (Elnath), creating a lunar occultation visible from countries and territories including Brazil, Venezuela, Colombia and Guyana amongst others. Tue, 24 Mar 2026 at 18:37 EDT (674 days away) in Taurus

110.

Saturn at solar conjunction Saturn 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, 25 Mar 2026 at 04:45 EDT (675 days away) in Pisces

111.

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. Wed, 25 Mar 2026 at 15:18 EDT (675 days away) in Auriga

112.

Mars at perihelion Mars passes its orbit's closest point to the Sun. Thu, 26 Mar 2026 at 02:41 EDT (676 days away) in Aquarius

113.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 3°52'. Thu, 26 Mar 2026 at 08:12 EDT (676 days away) in Gemini

114.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Thu, 26 Mar 2026 at 09:19 EDT (676 days away) in Gemini

115.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Fri, 27 Mar 2026 (677 days away) in Aquarius

116.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Fri, 27 Mar 2026 at 23:54 EDT (677 days away) in Cancer

117.

Lunar occultation of Regulus The Moon will pass in front of Regulus (Alpha Leonis), creating a lunar occultation visible from Africa, Asia, Europe, Russia, British Indian Ocean Territory, Corsica, Menorca, Mallorca, Ibiza and RAF Akrotiri. Sun, 29 Mar 2026 at 15:57 EDT (679 days away) in Leo

118.

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, 01 Apr 2026 at 15:56 EDT (682 days away) in Coma Berenices

119.

The Sombrero Galaxy is well placed The Sombrero Galaxy M104 (NGC 4594; mag 8.6) in Virgo culminates at around midnight local time. Wed, 01 Apr 2026 (682 days away) in Virgo

120.

Full Moon The Moon reaches full phase and is visible for much of the night. Wed, 01 Apr 2026 at 22:11 EDT (682 days away) in Virgo