Hi Unbekannter,
du verwechselst colspan und rowspan:
http://selfhtml.teamone.de/html/tabellen/zellen_verbinden.htm#spalten_zeilenweise
<table width="450" border="1" cellspacing="2" cellpadding="0">
<tr>
<td width="120">Zelle A</td>
<td rowspan="3" width="50"></td>
<td rowspan="3" width="100">xx:xx<br />
xx:xx<br />
xx:xx<br />
xx:xx<br />
xx:xx<br />
xx:xx<br />
xx:xx<br />
xx:xx<br />
xx:xx<br />
xx:xx</td>
<td rowspan="3" width="50"></td>
<td rowspan="3" width="50"></td>
<td rowspan="3" width="50"></td>
</tr><tr>
<td width="120">Primum Europaeorum vehiculum spatiale, cui nomen Mars-Express est.</td>
</tr><tr>
<td width="120">Zelle B</td>
</tr>
</table>
TomC