161.

Conjunction of Mercury and Eris Mercury and Eris share the same right ascension, at a separation of 6°58'. Wed, 14 May 2031 at 04:16 EDT (2,509 days away) in Cetus

162.

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. Mon, 19 May 2031 at 08:13 EDT (2,514 days away) in Aries

163.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 4°21'. Mon, 19 May 2031 at 10:38 EDT (2,514 days away) in Aries

164.

Annular solar eclipse There will be an eclipse of the Sun, visible from Southeast Asia, southern India, southern Democratic Republic of the Congo, Angola, Tanzania and Zambia. Wed, 21 May 2031 at 03:16 EDT (2,516 days away) in Taurus

165.

New Moon The Moon disappears into the Sun's glare for a few days. Wed, 21 May 2031 at 03:18 EDT (2,516 days away) in Taurus

166.

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. Sat, 24 May 2031 at 22:08 EDT (2,519 days away) in Gemini

167.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 7°03'. Sun, 25 May 2031 at 08:15 EDT (2,520 days away) in Gemini

168.

Conjunction of Uranus and Ceres Uranus and Ceres share the same right ascension, at a separation of 54'. Sun, 25 May 2031 at 16:28 EDT (2,520 days away) in Taurus

169.

Messier 4 is well placed The globular cluster M4 (NGC 6121; mag 5.4) in Scorpius culminates at around midnight local time. Wed, 28 May 2031 (2,523 days away) in Scorpius

170.

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. Thu, 29 May 2031 at 07:20 EDT (2,524 days away) in Sextans

171.

Venus at dichotomy Venus reaches half phase in the evening sky. Sun, 01 Jun 2031 at 16:34 EDT (2,527 days away) in Gemini

172.

Lunar occultation of Spica The Moon will pass in front of Spica (Alpha Virginis), creating a lunar occultation visible from Antarctica, Chile and Argentina. Sun, 01 Jun 2031 at 20:37 EDT (2,527 days away) in Virgo

173.

Venus at greatest elongation east Venus is bright and well placed in the evening sky. Mon, 02 Jun 2031 at 04:22 EDT (2,528 days away) in Gemini

174.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Mon, 02 Jun 2031 at 15:27 EDT (2,528 days away) in Virgo

175.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 1°21'. Mon, 02 Jun 2031 at 16:02 EDT (2,528 days away) in Virgo

176.

The Great Globular Cluster in Hercules is well placed The Great Globular Cluster in Hercules (M13, NGC 6205; mag 5.8) culminates at around midnight local time. Mon, 02 Jun 2031 (2,528 days away) in Hercules

177.

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. Mon, 02 Jun 2031 at 22:48 EDT (2,528 days away) in Taurus

178.

Messier 12 is well placed The globular cluster M12 (NGC 6218; mag 6.1) in Ophiuchus culminates at around midnight local time. Tue, 03 Jun 2031 (2,529 days away) in Ophiuchus

179.

Lunar occultation of Beta1 Scorpii The Moon will pass in front of Beta1 Scorpii (Acrab), creating a lunar occultation visible from countries and territories including Australia, Antarctica, South Africa and Botswana amongst others. Wed, 04 Jun 2031 at 14:19 EDT (2,530 days away) in Scorpius

180.

Penumbral lunar eclipse There will be an eclipse of the Moon, visible from Antarctica, Oceania, the Americas, Eastern and Southeast Asia, south-eastern Russia and Alaska. Thu, 05 Jun 2031 at 07:45 EDT (2,531 days away) in Ophiuchus