Portal:Astronomy/Events/December 2016
| 6 December, 22:03 | Moon occults Neptune |
| 10 December, 12:00 | Saturn at conjunction |
| 11 December, 04:36 | Mercury at greatest eastern elongation |
| 12 December, 23:36 | Moon at perigee |
| 13 December, 21:00 | Geminids peak |
| 14 December, 00:06 | Full moon |
| 21 December, 10:44 | Earth at southern solstice |
| 25 December, 06:03 | Moon at apogee |
| 28 December, 04:36 | Mercury at inferior conjunction |
| 29 December, 06:53 | New moon |