title: php strtotime puzzle - daylight savings?
body: <h2>PHP CODE</h2>
  
  <pre><code>$t = strtotime( '2012-09-21T03:00:00+00:00 America/Chicago' );
  $t2 =  date('c',$t);
  echo $t2; 
  </code></pre>
  
  <hr>
  
  <h2>OUPUT</h2>
  
  <pre><code> 2012-09-20T23:00:00-04:00
  </code></pre>
  
  <hr>
  
  <h2>QUESTION</h2>
  
  <p>Chicago's timezone is UTC-5, why don't I get <code>2012-09-20T22:00:00-05:00</code> as the result?</p>