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<style>
table {
    border-collapse: collapse;
    width: 100%;
}

td.wy, th.wy {
    border: 1px solid #dddddd;
    text-align: center;
    padding: 8px;
}
</style>
<table>
  <tr>
    <th class="wy" rowspan="2">Ngày tháng</th>
    <th class="wy" colspan="2">Mặt Trời</th>
    <th class="wy" colspan="2">Mặt Trăng</th>
  </tr>
  <tr>
    <td class="wy">Mọc</td>
    <td class="wy">Lặn</td>
    <td class="wy">Mọc</td>
    <td class="wy">Lặn</td>
  </tr>
  <tr>
  <td class="wy">19/03</td>
    <td class="wy">05:57</td>
    <td class="wy">18:03</td>
    <td class="wy">07:18</td>
    <td class="wy">19:30</td>
  </tr>
  <tr>
  <td class="wy">20/03</td>
    <td class="wy">05:56</td>
    <td class="wy">18:03</td>
    <td class="wy">08:03</td>
    <td class="wy">20:22</td>
  </tr>
  <tr>
  <td class="wy">21/03</td>
    <td class="wy">05:56</td>
    <td class="wy">18:03</td>
    <td class="wy">08:50</td>
    <td class="wy">21:16</td>
  </tr>
  <tr>
  <td class="wy">22/03</td>
    <td class="wy">05:55</td>
    <td class="wy">18:03</td>
    <td class="wy">09:40</td>
    <td class="wy">22:11</td>
  </tr>
  <tr>
  <td class="wy">23/03</td>
    <td class="wy">05:55</td>
    <td class="wy">18:03</td>
    <td class="wy">10:33</td>
    <td class="wy">23:10</td>
  </tr>
  <tr>
  <td class="wy">24/03<br/>
    (Trăng thượng huyền)</td>
    <td class="wy">05:54</td>
    <td class="wy">18:03</td>
    <td class="wy">11:29</td>
    <td class="wy">00:08</td>
  </tr>
  <tr>
  <td class="wy">25/03</td>
    <td class="wy">05:53</td>
    <td class="wy">18:03</td>
    <td class="wy">12:28</td>
    <td class="wy">00:08</td>
  </tr>
</table>