test.html

<input name='local_timezone' type='hidden' value=''>
<script>
var autoTimezone = true;
$(document).ready(function() {
    $('.timezone-text').hide();
    $('.tz_text').hide();
    var d = new Date();
    var offset = -d.getTimezoneOffset();
    var xhr = $.post( '{{ URL::route('evergreen.register.autodetect') }}', { webicode: '{{ $webicode }}', offset: offset} );
    xhr.done(function(data) {
        $.each(data.dates, function(k,row){
            var div_date = $('#date_template').clone();
            $(div_date).find('[data-template-key=day_name]').text(row.day_name);
            $(div_date).find('[data-template-key=day]').text(row.day);
            $(div_date).find('[data-template-key=month_name]').text(row.month_name);
            $(div_date).find('[data-template-key=year]').text(row.year);
            $(div_date).find('[data-template-key=time]').text(row.time);
            $('.all-schedules').append($(div_date).html());
        });
        $('input[name=local_timezone]').val(data.timezone);
        if ($('#countdown').length) {
            var d = new Date(0);
            d.setUTCSeconds(data.utc_ts);
            targetDate = {
                'day': d.getDate(),
                'month': d.getMonth()+1,
                'year': d.getFullYear(),
                'hour': d.getHours(),
                'min': d.getMinutes(),
                'sec': 0,
                'utc': false,
            }
            $('#countdown').countDown({
                targetDate: targetDate,
                omitWeeks: true,
            });
        }
    });
});
</script>