fullcalendar/lang/tr.js

$.fullCalendar.lang("tr", {
	defaultButtonText: {
		next: "ileri", // override JQUI's, which has a non-closing HTML entity in it
		month: "Ay",
		week: "Hafta",
		day: "Gün",
		list: "Ajanda"
	},
	allDayText: "Tüm gün"
});