eventResize: (resizeInfo:EventResizeDoneArg) => {
        const due = moment(resizeInfo.event.endStr).subtract(1, 'day').toDate();
        const start = moment(resizeInfo.event.startStr).toDate();
        const wp = resizeInfo.event.extendedProps.workPackage as WorkPackageResource;
        if (!wp.ignoreNonWorkingDays && (this.weekdayService.isNonWorkingDay(start) || this.weekdayService.isNonWorkingDay(due)