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| 7 December, 07:20 | New moon |
| 9 December, 05:18 | Moon occults Saturn |
| 10 December, 03:33 | Moon occults Pluto |
| 12 December, 12:30 | Moon at apogee |
| 14 December, 10:00 | Geminids peak |
| 15 December | Comet 46P/Wirtanen at maximum brightness |
| 15 December, 11:30 | Mercury at greatest western elongation |
| 21 December, 22:23 | Earth at southern solstice |
| 22 December, 17:49 | Full moon |
| 24 December, 09:56 | Moon at perigee |
