| 1 January, 23:00 | Moon at perigee |
| 2 January, 18:33 | New moon |
| 3 January, 20:56 | Peak of Quadrantids meteor shower |
| 4 January, 00:59 | Earth at perihelion |
| 7 January, 10:59 | Mercury at greatest eastern elongation |
| 9 January, 00:50 | Venus at inferior conjunction |
| 14 January, 09:27 | Moon at apogee |
| 17 January, 23:48 | Full moon |
| 23 January, 10:25 | Mercury at inferior conjunction |
| 30 January, 07:09 | Moon at perigee |
