function getDate(dateString /* YYYY-MM-DD */) {
    var reservedDateTimeStrings = []; // Tavo tas PHP kodas.
    var reservedDateTime = reservedDateTimeStrings.map(function (value) { return moment(value); });
    var date = moment(dateString);
    var filtered = reservedDateTime.filter(function (value) { return (value.year() === date.year()
        && value.month() === date.month()
        && value.date() === date.date()); });
    if (filtered.length > 0) {
        var timeArray = filtered.map(function (value) { return [value..format('HH:mm'), value.add(1, 'hour').format('HH:mm')]; });
        $(function() {
            $('#timepicker').timepicker({
                'timeFormat': 'H:i',
                'minTime': '11:00',
                'maxTime': '23:00',
                'step': '60',
                'userSelect': true,
                'disableTimeRanges': timeArray
            })
        })
    }
    else {
        $(function() {
            $('#timepicker').timepicker({
                'timeFormat': 'H:i',
                'minTime': '11:00',
                'maxTime': '23:00',
                'step': '60',
                'userSelect': true
            })
        })
    }
}