<div class="form-group">
        <label class="control-label col-xs-3">Fecha Inicio :</label>
      <div id="datetimepicker1" class="col-xs-3 input-group">
        <input data-format="yyyy-MM-dd" type="text" class="form-control" id="fecIni" name="fecIni" >
        <span class="input-group-addon add-on">
          <i data-time-icon="fa fa-times" data-date-icon="fa fa-calendar" ></i>
        </span>
      </div>
    </div>