Get UTC Time stamp from epoch

      String UTC_TIMEZONE = "UTC"; 
      String m_DateFormat = "yyyy-MM-dd HH:mm:ss";
      public String getUtcTimeStampFromEpoch(long epoch) {

           

             SimpleDateFormat df = new java.text.SimpleDateFormat(m_DateFormat);

             df.setTimeZone(TimeZone.getTimeZone(UTC_TIMEZONE));

             return     df.format(new java.util.Date(epoch * 1000));

      }

That's it!