I'll make this configurable. For now, you can update tpl/Calendar/calendar.common.tpl with the following. There is a section near the bottom that looks like this:
var options = {
view: '{$view}',
year: {$DisplayDate->Year()},
month: {$DisplayDate->Month()},
date: {$DisplayDate->Day()},
dayClickUrl: '{Pages::CALENDAR}?ct={CalendarTypes::Day}&sid={$ScheduleId}&rid={$ResourceId}',
dayNames: {js_array array=$DayNames},
dayNamesShort: {js_array array=$DayNamesShort},
monthNames: {js_array array=$MonthNames},
monthNamesShort: {js_array array=$MonthNamesShort},
timeFormat: '{$TimeFormat}',
dayMonth: '{$DateFormat}'
};
Change it to be:
var options = {
view: '{$view}',
year: {$DisplayDate->Year()},
month: {$DisplayDate->Month()},
date: {$DisplayDate->Day()},
dayClickUrl: '{Pages::CALENDAR}?ct={CalendarTypes::Day}&sid={$ScheduleId}&rid={$ResourceId}',
dayNames: {js_array array=$DayNames},
dayNamesShort: {js_array array=$DayNamesShort},
monthNames: {js_array array=$MonthNames},
monthNamesShort: {js_array array=$MonthNamesShort},
timeFormat: '{$TimeFormat}',
dayMonth: '{$DateFormat}',
firstDay=1
};
Similarly, mycalendar.common.tpl change to:
var options = {
view: '{$view}',
year: {$DisplayDate->Year()},
month: {$DisplayDate->Month()},
date: {$DisplayDate->Day()},
dayClickUrl: '{Pages::MY_CALENDAR}?ct={CalendarTypes::Day}',
dayNames: {js_array array=$DayNames},
dayNamesShort: {js_array array=$DayNamesShort},
monthNames: {js_array array=$MonthNames},
monthNamesShort: {js_array array=$MonthNamesShort},
timeFormat: '{$TimeFormat}',
dayMonth: '{$DateFormat}',
firstDay=1
};