| English | German | Old-Style Abbreviation | New-Style Abbreviation |
| January | Januar | I | |
| February | Februar | II | |
| March | März | III | |
| April | April | IV | |
| May | Mai | V | |
| June | Juni | VI | |
| July | Juli | VII | |
| August | August | VIII | |
| September | September | 7ber, VIIber | IX |
| October | Oktober | 8ber, VIIIber | X |
| November | November | 9ber, IXber | XI |
| December | Dezember | 10ber, Xber | XII |
From the September 2012 Family Tree Magazine
