header with rowspan

1<table>
2  <thead>
3    <tr>
4      <th rowspan="2">No.</th>
5      <th rowspan="2">Creation Date</th>
6      <th rowspan="2">Week Day</th> 
7      <th rowspan="2">Log Type</th>
8      <th colspan="2" style="text-align: center">Time</th>
9      <th rowspan="2">action</th>
10    </tr>
11    <tr>
12      <th>IN/START</th>
13      <th>OUT/STOP</th>
14    </tr>
15  </thead>
16</table>