kalendar

1. calendar
   Na zidu u kuhinji visi kalendar. — There's a calendar hanging on the kitchen wall.
   Pravoslavni Božić se slavi po starom kalendaru. — Orthodox Christmas is celebrated according to the old calendar.
2. (of events) calendar; schedule
   Objavljen je kalendar utakmica za novu sezonu. — The match schedule for the new season has been published.

Stari kalendar is the Julian calendar, novi kalendar the Gregorian one.