Events in January 1931
| MonMonday | TueTuesday | WedWednesday | ThuThursday | FriFriday | SatSaturday | SunSunday |
|---|
| 2929 December 1930 | 3030 December 1930 | 3131 December 1930 | 11 January 1931 | 22 January 1931 | 33 January 1931 | 44 January 1931 |
| 55 January 1931 | 66 January 1931 | 77 January 1931 | 88 January 1931 | 99 January 1931 | 1010 January 1931 | 1111 January 1931 |
| 1212 January 1931 | 1313 January 1931 | 1414 January 1931 | 1515 January 1931 | 1616 January 1931 | 1717 January 1931 | 1818 January 1931 |
| 1919 January 1931 | 2020 January 1931 | 2121 January 1931 | 2222 January 1931 | 2323 January 1931 | 2424 January 1931 | 2525 January 1931 |
| 2626 January 1931 | 2727 January 1931 | 2828 January 1931 | 2929 January 1931 | 3030 January 1931 | 3131 January 1931 | 11 February 1931 |