Portal:Astronomy/Events/May 2019
| 4 May, 22:46 | New moon |
| 8 May, 01:00 | Eta Aquariids peak |
| 13 May, 22:01 | Moon at perigee |
| 18 May, 21:11 | Full moon |
| 19 May, 18:19 | Moon occults Ceres |
| 21 May, 13:06 | Mercury at superior conjunction |
| 22 May, 22:14 | Moon occults Saturn |
| 23 May, 03:56 | Moon occults Pluto |
| 26 May, 13:27 | Moon at apogee |
| 28 May, 22:36 | Ceres at opposition |