1.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 1°28'. Sat, 12 Jun 2021 at 02:42 EDT (12 days ago) in Gemini

2.

Venus at perihelion Venus reaches its closest point to the Sun. Sat, 12 Jun 2021 at 17:18 EDT (12 days ago) in Gemini

3.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 2°48'. Sun, 13 Jun 2021 at 15:52 EDT (11 days ago) in Cancer

4.

Moon at First Quarter The Moon appears high in the sky at sunset and sets in the west at around midnight. Thu, 17 Jun 2021 at 23:54 EDT (7 days ago) in Virgo

5.

15P/Finlay at perigee 15P/Finlay makes its closest approach to the Earth. Fri, 18 Jun 2021 (6 days ago) in Pisces

6.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Sun, 20 Jun 2021 at 11:07 EDT (4 days ago) in Aquarius

7.

June solstice 21 June will be the longest day of 2021 in the northern hemisphere. Sun, 20 Jun 2021 at 23:25 EDT (4 days ago) in Taurus

8.

The Moon at perigee The Moon appears large as it makes its closest approach to the Earth. Wed, 23 Jun 2021 at 05:54 EDT (Yesterday) in Ophiuchus

9.

Full Moon The Moon is visible for much of the night. Thu, 24 Jun 2021 at 14:39 EDT (3 hours away) in Sagittarius

10.

The Moon at aphelion The Moon reaches its furthest point from the Sun. Fri, 25 Jun 2021 at 01:47 EDT (14 hours away) in Sagittarius

11.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Fri, 25 Jun 2021 at 13:08 EDT (Tomorrow) in Aquarius

12.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 4°01'. Sun, 27 Jun 2021 at 05:26 EDT (3 days away) in Capricornus

13.

June Bootid meteor shower 2021 The June Bootid meteor shower reaches its peak. Sun, 27 Jun 2021 (3 days away) in Bootes

14.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 4°27'. Mon, 28 Jun 2021 at 14:41 EDT (4 days away) in Aquarius

15.

Moon at Last Quarter The Moon rises in the east at around midnight and appears high in the sky at sunrise. Thu, 01 Jul 2021 at 17:11 EDT (7 days away) in Cetus

16.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Mon, 05 Jul 2021 at 00:11 EDT (11 days away) in Taurus

17.

The Moon at apogee The Moon appears small as it recedes to its furthest point from the Earth. Mon, 05 Jul 2021 at 10:46 EDT (11 days away) in Taurus

18.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Mon, 05 Jul 2021 at 18:27 EDT (11 days away) in Pisces

19.

15P/Finlay reaches its brightest 15P/Finlay is well placed for observation. Wed, 07 Jul 2021 (13 days away) in Aries

20.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Thu, 08 Jul 2021 (14 days away) in Taurus