81.

The Moon at perigee The Moon makes its monthly closest approach to the Earth, appearing larger than at other times of the month – though only very fractionally. Mon, 17 Mar 2031 at 14:55 EDT (1,675 days away) in Sagittarius

82.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Tue, 18 Mar 2031 (1,676 days away) in Pisces

83.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Tue, 18 Mar 2031 at 03:21 EDT (1,676 days away) in Pisces

84.

March equinox Day and night have equal length: the beginning of astronomical spring in the northern hemisphere. Thu, 20 Mar 2031 at 15:47 EDT (1,678 days away) in Pisces

85.

The Moon at perihelion The Moon passes its closest point to the Sun, a monthly occurrence around the time of new moon. Thu, 20 Mar 2031 at 18:55 EDT (1,678 days away) in Aquarius

86.

New Moon The Moon disappears into the Sun's glare for a few days. Sat, 22 Mar 2031 at 23:50 EDT (1,680 days away) in Pisces

87.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 6'54". Mon, 24 Mar 2031 at 06:56 EDT (1,682 days away) in Pisces

88.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Wed, 26 Mar 2031 at 00:16 EDT (1,684 days away) in Aries

89.

Lunar occultation of Venus The Moon will pass in front of Venus, creating a lunar occultation visible from countries and territories including Russia, Canada, China and Alaska amongst others. Wed, 26 Mar 2031 at 00:16 EDT (1,684 days away) in Aries

90.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 53'. Wed, 26 Mar 2031 at 00:40 EDT (1,684 days away) in Aries

91.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Thu, 27 Mar 2031 at 20:59 EDT (1,685 days away) in Taurus

92.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 1°09'. Thu, 27 Mar 2031 at 21:13 EDT (1,685 days away) in Taurus

93.

Mars enters retrograde motion Mars reverses its direction of motion across the sky. Fri, 28 Mar 2031 at 20:33 EDT (1,686 days away) in Libra

94.

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, 30 Mar 2031 at 11:23 EDT (1,688 days away) in Gemini

95.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and remaining visible until around midnight. Sun, 30 Mar 2031 at 20:32 EDT (1,688 days away) in Gemini

96.

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, 02 Apr 2031 at 19:45 EDT (1,691 days away) in Pisces

97.

The Sombrero Galaxy is well placed The Sombrero Galaxy M104 (NGC 4594; mag 8.6) in Virgo culminates at around midnight local time. Wed, 02 Apr 2031 (1,691 days away) in Virgo

98.

Mercury at inferior solar conjunction Mercury passes around the near side of the Sun. Fri, 04 Apr 2031 at 15:57 EDT (1,693 days away) in Pisces

99.

Messier 94 is well placed M94 (mag 8.2), a spiral galaxy in Canes Venatici culminates at around midnight local time. Fri, 04 Apr 2031 (1,693 days away) in Canes Venatici

100.

The Jewel Box cluster is well placed The Jewel Box open star cluster (NGC 4755, also known as the Kappa Crucis Cluster; mag 4.2) in Crux culminates at around midnight local time. Sat, 05 Apr 2031 (1,694 days away) in Crux