code: private String convertDate(String date) {
          SimpleDateFormat sdf = new SimpleDateFormat("EEE MMM dd HH:mm:ss zzz yyyy");
          try {
              Date creationDate = sdf.parse(date);
              sdf = new SimpleDateFormat("\\'yr'yyyy\\'mo'MM\\'dy'dd\\'hr'HH\\'min'mm\\'sec'ss");
              return sdf.format(creationDate);
          } catch(ParseException pe) {
              pe.printStackTrace();
              return "";
          }
      }
docs: Converts a date from the format used by iText to the format required by
  rtf.<br>iText: EEE MMM dd HH:mm:ss zzz yyyy - rtf: \\'yr'yyyy\\'mo'MM\\'dy'dd\\'hr'HH\\'min'mm\\'sec'ss
  
  @param date The date formated by iText
  @return The date formated for rtf