Portal:Astronomy/Events/May 2023
| 1 May, 23:19 | Mercury at inferior conjunction |
| 5 May, 13:49 | Lyrids peak |
| 5 May, 17:23 | Full moon and penumbral lunar eclipse |
| 9 May, 21:26 | Uranus at conjunction |
| 11 May, 04:57 | Moon at perigee |
| 17 May, 13:18 | Moon occults Jupiter |
| 19 May, 15:53 | New moon |
| 26 May, 01:39 | Moon at apogee |
| 29 May, 04:59 | Mercury at greatest western elongation |