title: Using Pandas pd.to_dataframe() to format a date string
body: <p>I have a pandas dataframe with a 'Date' column that has dates like this: '01/01/1970 01'.  This represents 'January 1st, 1970 01:00 AM' I was trying to format the Date column into datetime by doing <code>df['Date'] = pd.to_datetime(df['Date'], format='%m/%d/%Y %H')</code> However this is not working.  I get this error: <code>RetryError[&lt;Future at 0x1b0dbc1eaf0 state=finished raised ValueError&gt;]</code> I am guessing that something is wrong with my code.  Any help would be appreciated. Thanks!</p>
  <p>EDIT: So with advice from Cimbali and TC Arlen I've discovered that the issue is the hour ending numbers goes from [01-24] and %H accepts [00-23].</p>