Portal:Astronomy/Events/July 2021
| 3 July, 11:41 | Close approach of Venus and M44 |
| 4 July, 19:59 | Mercury at greatest western elongation of 21.6 degrees from the Sun |
| 5 July, 14:48 | Moon at apogee |
| 6 July, 02:59 | Earth at aphelion |
| 7 July, 04:39 | Conjunction of the Moon and Mercury |
| 10 July, 01:17 | New moon |
| 21 July, 10:24 | Moon at perigee |
| 24 July, 02:37 | Full moon |
| 28 July, 03:17 | Peak of Delta Aquariids meteor shower |