JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.10.6/moment.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/fullcalendar/2.4.0/fullcalendar.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/qtip2/2.2.1/basic/jquery.qtip.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/qtip2/2.2.1/basic/jquery.qtip.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/fullcalendar/2.4.0/fullcalendar.js"></script>
<div id='calendar'>
</div>

JavaScript

$('#calendar').fullCalendar({
    events: [
        {
            title: 'My Event',
            start: '2015-11-01',
        }
        // more events here
    ],
    eventRender: function(event, element) {
        element.qtip({
            content: event.start.format('ddd MMM DD hh:mm') + '<br/>' + event.title
        });
    }
});