221.

Full Moon The Moon reaches full phase and is visible for much of the night. Fri, 18 Jun 2027 at 20:44 EDT (1,127 days away) in Sagittarius

222.

The Moon at aphelion The Moon recedes to its orbit's furthest point from the Sun, which happens each month around the time of full moon. Sat, 19 Jun 2027 at 18:00 EDT (1,128 days away) in Sagittarius

223.

Lunar occultation of Sigma Sagittarii The Moon will pass in front of Sigma Sagittarii (Nunki), creating a lunar occultation visible from the Contiguous United States, Canada and Mexico. Sun, 20 Jun 2027 at 02:59 EDT (1,129 days away) in Sagittarius

224.

The Ptolemy cluster is well placed The Ptolemy Cluster (M7, NGC 6475; mag 3.3) in Scorpius culminates at around midnight local time. Sun, 20 Jun 2027 (1,129 days away) in Scorpius

225.

June solstice 21 June will be the longest day of 2027 in the northern hemisphere. Mon, 21 Jun 2027 at 10:15 EDT (1,130 days away) in Taurus

226.

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, 22 Jun 2027 at 01:07 EDT (1,131 days away) in Capricornus

227.

Mercury at inferior solar conjunction Mercury passes around the near side of the Sun. Wed, 23 Jun 2027 at 03:54 EDT (1,132 days away) in Orion

228.

The Lagoon Nebula is well placed The Lagoon Nebula (M8; mag 5.8) in Sagittarius culminates at around midnight local time. Wed, 23 Jun 2027 (1,132 days away) in Sagittarius

229.

NGC 6541 is well placed The globular cluster NGC 6541 (mag 6.6) in Corona Australis culminates at around midnight local time. Thu, 24 Jun 2027 (1,133 days away) in Corona Australis

230.

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. Sun, 27 Jun 2027 at 00:54 EDT (1,136 days away) in Pisces

231.

June Bootid meteor shower 2027 The June Bootid meteor shower reaches its peak. Sun, 27 Jun 2027 (1,136 days away) in Bootes

232.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 8°01'. Mon, 28 Jun 2027 at 21:33 EDT (1,137 days away) in Pisces

233.

The cluster NGC 6633 is well placed The open star cluster NGC 6633 (mag 4.6) in Ophiuchus culminates at around midnight local time. Tue, 29 Jun 2027 (1,138 days away) in Ophiuchus

234.

Close approach of the Moon and M45 The Moon and M45 pass close to each other. Thu, 01 Jul 2027 at 03:37 EDT (1,140 days away) in Taurus

235.

Messier 22 is well placed The globular cluster M22 (mag 5.2) in Sagittarius, near the Galactic centre, culminates at around midnight local time. Thu, 01 Jul 2027 (1,140 days away) in Sagittarius

236.

Asteroid 11 Parthenope at opposition Asteroid 11 Parthenope makes closest approach to the Earth. Thu, 01 Jul 2027 at 22:22 EDT (1,140 days away) in Sagittarius

237.

The cluster IC 4756 is well placed The open star cluster IC 4756 (mag 4.6) in Serpens culminates at around midnight local time. Fri, 02 Jul 2027 (1,141 days away) in Serpens Cauda

238.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 8°15'. Sat, 03 Jul 2027 at 00:21 EDT (1,142 days away) in Taurus

239.

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. Sat, 03 Jul 2027 at 20:26 EDT (1,142 days away) in Gemini

240.

New Moon The Moon disappears into the Sun's glare for a few days. Sat, 03 Jul 2027 at 23:03 EDT (1,142 days away) in Gemini