timeAgo.java

Calendar cal = Calendar.getInstance();
  long milliDiff = cal.get(Calendar.ZONE_OFFSET);
        // Getting time Zone
        String[] ids = TimeZone.getAvailableIDs();
        String name = null;
        for (String id : ids) {
            TimeZone tz = TimeZone.getTimeZone(id);
            if (tz.getRawOffset() == milliDiff) {
                // Found a match.
                name = id;
                break;
            }
        }
        System.out.println(name);

        //current date time According to GMT 00
        Calendar call = Calendar.getInstance(TimeZone.getTimeZone("GMT"));
        Date currentLocalTime = call.getTime();
        DateFormat date = new SimpleDateFormat("dd-MM-yyy HH:mm:ss");
        date.setTimeZone(TimeZone.getTimeZone("GMT"));
        String localTime = date.format(currentLocalTime);
        System.out.println(localTime);

        //current date time according to time zone
        TimeZone tz = TimeZone.getTimeZone(name);
        SimpleDateFormat destFormat = new SimpleDateFormat("dd-MM-yyy HH:mm:ss");
        destFormat.setTimeZone(tz);

        String result = destFormat.format(currentLocalTime);
        System.out.println(result);
        DateFormat dfm = new SimpleDateFormat("dd-MM-yyy HH:mm:ss");

        try {
            Date unixtime = dfm.parse(result);
            Date NowDate = dfm.parse(localTime);

            String timePassedString = String.valueOf(getRelativeTimeSpanString(NowDate.getTime(), unixtime.getTime(), DateUtils.MINUTE_IN_MILLIS));
            System.out.println(timePassedString);
        } catch (ParseException e) {
            e.printStackTrace();
        }