title: How to read datetime with timezone in pandas
body: <p>I am trying to create a dataframe from csv, and its first column is like</p>
  
  <pre><code>"2013-08-25T00:00:00-0400";
  "2013-08-25T01:00:00-0400";
  "2013-08-25T02:00:00-0400";
  "2013-08-25T03:00:00-0400";
  "2013-08-25T04:00:00-0400";
  </code></pre>
  
  <p>It's datetime with timezone ! I already used something like</p>
  
  <pre><code>df1 = DataFrame(pd.read_csv(PeriodC, sep=';', parse_dates=[0], index_col=0))
  </code></pre>
  
  <p>but the result was </p>
  
  <pre><code>2013-09-02 04:00:00                                                                                    
  2013-09-03 04:00:00                                                                                     
  2013-09-04 04:00:00                                                                                     
  2013-09-05 04:00:00                                                                                      
  2013-09-06 04:00:00                                                                                     
  2013-09-07 04:00:00                                                                                     
  2013-09-08 04:00:00
  </code></pre>
  
  <p>Can anyone explain me how to seperate the datetime from timezone ?                                        </p>