Нулевое значение на datetime_select?

<script>
    $(function() {

   $.getJSON('data.json', function(data) {
       $.each(data.data, function(i, f) {
          var tblRow = "<tr>" + "<td>" + f.reminderName+ "</td>" +
           "<td>" + f.status+ "</td>" 
           $(tblRow).appendTo("#jsondata tbody");
     });

   });
});
</script>

<div>
   <table id= "jsondata" border="2">
  <thead>
            <th>Reminder Name</th>
            <th>Status</th>
        </thead>
      <tbody>

       </tbody>
   </table>

</div>