How to convert UTC timestamp to device local time in android

Question

I need to convert the UTC time stamp that i get from the server to local device time. currently i get 5 hrs difference in my time. for example when i post to server the post

Answer 1

Local to UTC

DateTime dateTimeNew = new DateTime(date.getTime(),
DateTimeZone.forID("Asia/Calcutta"));
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
simpleDateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
String datetimeString = dateTimeNew.toString("yyyy-MM-dd HH:mm:ss");
long milis = 0;
try {
     milis = simpleDateFormat.parse(datetimeString).getTime();
} catch (ParseException e) {
   e.printStackTrace();
}