Code review comment for lp:~mihirsoni/ubuntu-calendar-app/1280598

 + eventDate.value = e.startDateTime.toLocaleString(Qt.locale(),'dd-MMM-yyyy');

Format 'dd-MMM-yyyy' needs to be localized too like being done for time string.

        var timeFormat = i18n.tr("hh:mm");
        var startTime = e.startDateTime.toLocaleTimeString(Qt.locale(), timeFormat);