| month | Nom | v = locative | ||
| January | leden | ledna 2nd case- of January | v lednu - in Jan | |
| February | únor | února - of February | v únoru - in feb | |
| March | bøezen | bøezna - of March | v bøeznu - in Mar | |
| April | duben | dubna - of April | v dubnu - in April | |
| May | kvìten | v kvìtnu - in May | ||
| June | èerven | v èervnu - in June | ||
| July | èervenec | v èervenci - in July | ||
| August | srpen | v srpnu - in sept | ||
| September | záøí | v záøí - in oct | ||
| October | øíjen | v øíjnu - in Nov | ||
| November | listopad | v listopadu | ||
| December | prosinec | v prosinci - in Dec | ||