JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://www.benty-fields.com/static/js/bootstrap-select.min.js"></script>
<script src="http://www.benty-fields.com/static/js/bootstrap.min.js"></script>
<script src="http://cdnjs.cloudflare.com/ajax/libs/moment.js/2.10.3/moment-with-locales.min.js"></script>
<link rel="stylesheet" href="http://www.benty-fields.com/static/css/bootstrap.min.css">
<link rel="stylesheet" href="http://www.benty-fields.com/static/css/bootstrap.css">
<link rel="stylesheet" href="http://www.benty-fields.com/static/css/bootstrap-select.min.css">
<script src="https://gist.githubusercontent.com/iron-man/deedd9efe988318d842a/raw/5fef48f308356f84d90dc6d0a73392c425a997da/moment-timezone-mashup.js"></script>
<div class="row">
    <div class="col-lg-4">
        <label for="select_timezone">Select a timezone:</label>
        <select class="select_timezone" name="select_timezone" value="" style="width: 300px"></select>
    </div>
</div>

JavaScript

moment.tz.setDefault("America/New_York");
$('.select_timezone').timezones();