The title text format that will be shown under the header bar. {0} = start date. {1} = end date.
Specify common title format: $("#eventscalendar").wijevcal( { titleFormat: "First date: {0:d} Last date: {1:d}" } ); Specify separate format for the each view: $("#eventscalendar").wijevcal( { titleFormat: { //function customFormatFunc will be called //in order to format string: day: customFormatFunc, week: "Week {0:d} : {1:d}", month: "{0:yyyy, MMMM}", list: "Events until {1:d}", custom: "{0:d} - {1:d}" } } );