code: public void setEnd(final String s) {
          SimpleDateFormat stf = new SimpleDateFormat("HH:mm:ss");
          stf.setTimeZone(TimeZone.getTimeZone("UTC"));
          try {
              end = stf.parse(s).getTime();
          } catch(ParseException ex) {
              LogLog.warn("Error parsing end value " + s, ex);
          }
      }
docs: Set end (exclusive) of time span.
  @param s string representation of end time as HH:mm:ss.