+[[!calendar type="month" pages="Kalender/* and !Kalender/*/*" week_start_day=1 month=-1]]
+[[!calendar type="month" pages="Kalender/* and !Kalender/*/*" week_start_day=1 newpageformat="Kalender/%Y-%m-%d"]]
+[[!calendar type="month" pages="Kalender/* and !Kalender/*/*" week_start_day=1 month=+1]]