Portal:Astronomy/Events/May 2020
| 4 May, 21:42 | Mercury at superior conjunction; antitransit |
| 6 May, 03:10 | Moon at perigee |
| 7 May, 07:00 | Eta Aquariids peak |
| 7 May, 10:45 | Full moon |
| 18 May, 07:52 | Moon at apogee |
| 20 May | Comet SWAN predicted brightest |
| 22 May, 17:39 | New moon |