_createSpecialDays: function () {
			var that = this,
				oCalendar = this.getView().byId("calendar"),
				dStartDate = oCalendar.getAggregation("month")[0]._getVisibleDays()[0]._oUDate.oDate,
				iLastMonthIndex = oCalendar.getAggregation("month").length - 1,
				iLastDayIndex = oCalendar.getAggregation("month")[iLastMonthIndex]._getVisibleDays().length - 1,
				dEndDate = oCalendar.getAggregation("month")[iLastMonthIndex]._getVisibleDays()[iLastDayIndex]._oUDate.oDate,
				filtredSpecialDays, filtredBackground, filtredBackgroundInitial, mergedTable = [];

			dStartDate = Formatter.clearDateHMS(dStartDate);
			dEndDate = Formatter.clearDateHMS(dEndDate);

			if (!dStartDate && !dEndDate) {
				var dActualDate = new Date();
				dStartDate = new Date(dActualDate.getFullYear(), dActualDate.getMonth() - 1, 1);
				dEndDate = new Date(dActualDate.getFullYear(), dActualDate.getMonth() + 1, 0);
			}

			oCalendar.removeAllSpecialDates();
			filtredSpecialDays = this.oDataManager.getData().SpecialDaySet.filter(function (oDate) {
				return oDate.startDate.getTime() >= dStartDate.getTime() && oDate.startDate.getTime() <= dEndDate.getTime();
			});
			// Uzupełnianie luk
			filtredBackgroundInitial = this.oDataManager.getData().SpecialDayBackgroundSet.filter(function (oDate) {
				return oDate.startDate.getTime() >= dStartDate.getTime() && oDate.startDate.getTime() <= dEndDate.getTime();
			});
			filtredBackground = filtredBackgroundInitial.filter((oBack) => {
				return filtredSpecialDays.find((oSpecial) => {
					return oSpecial.startDate.getTime() === oBack.startDate.getTime();
				}) === undefined ? true : false;
			});
			mergedTable = [...filtredSpecialDays, ...filtredBackground];

			mergedTable.forEach(function (oObject) {
				oCalendar.addSpecialDate(new DateTypeRange({
					startDate: Formatter.createDateObject(oObject.startDate),
					type: Formatter.specialDayType(oObject.type),
					tooltip: oObject.tooltip
				}));
			});

		},