JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.16.0/moment.min.js"></script>
<script src="https://cdn.rawgit.com/twbs/bootstrap/master/js/collapse.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datetimepicker/4.17.43/js/bootstrap-datetimepicker.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datetimepicker/4.17.43/css/bootstrap-datetimepicker.min.css">
<div class="form-group">
  <div class="input-group date" id="datetimepicker">
    <input type="text" class="form-control" /> <span class="input-group-addon"><span class="glyphicon-calendar glyphicon"></span></span>
  </div>
</div>

JavaScript

$(function() {
  $('#datetimepicker').datetimepicker({
    format: 'MM/DD/YYYY LT',
    useCurrent: false,
    defaultDate: getDefaultStartAt()
  });
});

function getDefaultStartAt() {
  var d = new Date();
  var month = d.getMonth();
  var day = d.getDate();
  var year = d.getFullYear();

  return new Date(year, month, day, 8, 0);
}