Convert UTC Time T0 Local Time In Java or Groovy

Question

i need to store createdOn (One Of the Attribute in Domain Class) . i am getting the system time and storing the value for this attribute.. My Time zone is (GMT+5:30 Chennai,

Answer 1

        SimpleDateFormat sf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        sf.setTimeZone(TimeZone.getTimeZone("GMT"));
        System.out.println(sf.format(new Date()));


        SimpleDateFormat sf1 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        sf1.setTimeZone(TimeZone.getTimeZone("Asia/Calcutta"));
        System.out.println(sf1.format(new Date()));
        System.out.println(Arrays.asList(TimeZone.getDefault()));