| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
| Day not set Mieczysław Biernat Death - January 1966 (42 year anniversary) | 114 Dec Isak Chargaff Birth - 14 December 1842 (165 year anniversary) | 215 Dec | ||||
| 316 Dec Lewko Kowalczuk Birth - 16 December 1943 (64 year anniversary) | 417 Dec Józef Jan Bohaczek Birth - 17 December 1950 (57 year anniversary) | 518 Dec | 619 Dec Antoni Biernat Death - 19 December 1994 (13 year anniversary) | 720 Dec | 821 Dec Eugeniusz Kubik Death - 21 December 1992 (15 year anniversary) | 922 Dec |
| 1023 Dec | 1124 Dec | 1225 Dec | 1326 Dec Marian Trocha Death - 26 December 2007 | 1427 Dec Jakub Sagan Death - 27 December 1937 (70 year anniversary) | 1528 Dec Zygmunt Porbes Death - 28 December 1989 (18 year anniversary) | 1629 Dec Jan Bratkowski Birth - 29 December 1796 (211 year anniversary) |
| 1730 Dec | 1831 Dec | 191 Jan | 202 Jan Kazimierz Józef Rybak Birth - 2 January 1934 (74 year anniversary) Zygmunt Porbes Birth - 2 January 1915 (93 year anniversary) Józef FranciszekBohaczek Birth - 2 January 1900 (108 year anniversary) | 213 Jan | 224 Jan | 235 Jan |
| 246 Jan | 257 Jan Antoni Szwarc Death - 7 January 1989 (19 year anniversary) Jan Szwarc Birth - 7 January 1906 (102 year anniversary) | 268 Jan Antoni Płoskonka Birth - 8 January 1915 (93 year anniversary) | 279 Jan | 2810 Jan | 2911 Jan Franciszek Tymecki Birth - 11 January 1926 (82 year anniversary) Roman Jan Rybak Birth - 11 January 1908 (100 year anniversary) | 3012 Jan Max Lieber Death - 12 January 1963 (45 year anniversary) |
| 3113 Jan Norbert Grubin Birth - 13 January 1883 (125 year anniversary) |
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