181.

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. Tue, 25 May 2021 at 21:49 EDT (1,068 days ago) in Libra

182.

Saturn enters retrograde motion Saturn reverses its direction of motion across the sky. Sun, 23 May 2021 at 05:36 EDT (1,070 days ago) in Capricornus

183.

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, 19 May 2021 at 15:13 EDT (1,074 days ago) in Leo

184.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Mon, 17 May 2021 at 04:14 EDT (1,076 days ago) in Taurus

185.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Sun, 16 May 2021 at 00:51 EDT (1,077 days ago) in Gemini

186.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 1°28'. Sun, 16 May 2021 at 00:47 EDT (1,077 days ago) in Gemini

187.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Sat, 15 May 2021 (1,078 days ago) in Taurus

188.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 2°08'. Thu, 13 May 2021 at 13:58 EDT (1,080 days ago) in Taurus

189.

Lunar occultation of Venus The Moon will pass in front of Venus, creating a lunar occultation visible from New Zealand, French Polynesia and Pitcairn. Wed, 12 May 2021 at 18:30 EDT (1,081 days ago) in Taurus

190.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 42'. Wed, 12 May 2021 at 18:03 EDT (1,081 days ago) in Taurus

191.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Wed, 12 May 2021 at 01:20 EDT (1,081 days ago) in Taurus

192.

Messier 5 is well placed The globular cluster M5 (NGC 5904; mag 5.7) in Serpens culminates at around midnight local time. Tue, 11 May 2021 (1,082 days ago) in Serpens Caput

193.

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. Tue, 11 May 2021 at 17:53 EDT (1,082 days ago) in Aries

194.

New Moon The Moon disappears into the Sun's glare for a few days. Tue, 11 May 2021 at 15:01 EDT (1,082 days ago) in Aries

195.

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. Sun, 09 May 2021 at 06:26 EDT (1,084 days ago) in Pisces

196.

η-Lyrid meteor shower 2021 The η-Lyrid meteor shower reaches its peak. Sat, 08 May 2021 (1,085 days ago) in Lyra

197.

η-Aquariid meteor shower 2021 The η-Aquariid meteor shower reaches its peak. Wed, 05 May 2021 (1,087 days ago) in Aquarius

198.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Tue, 04 May 2021 at 19:55 EDT (1,089 days ago) in Aquarius

199.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 4°36'. Tue, 04 May 2021 at 17:02 EDT (1,089 days ago) in Aquarius

200.

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. Mon, 03 May 2021 at 15:50 EDT (1,090 days ago) in Capricornus