title: convert Excel Date Serial Number to Regular Date
body: <p>I got a column called DateOfBirth in my csv file with Excel Date Serial Number Date </p>
  
  <p>Example: </p>
  
  <pre><code>  36464
    37104
    35412
  </code></pre>
  
  <p>When i formatted cells in excel these are converted as </p>
  
  <pre><code>  36464 =&gt; 1/11/1999
    37104 =&gt; 1/08/2001
    35412 =&gt; 13/12/1996
  </code></pre>
  
  <p>I need to do this transformation in SSIS or in SQL.   How can this be achieved?</p>