public static double getTimeDifference(String time1, String time2) throws ParseException {
        long epoch1 =   getEpoch(time1);
        long epoch2 =   getEpoch(time2);
        double diff =   Math.abs(Math.floor((epoch1 - epoch2)/60));

        return diff;
    }

    public static long getEpoch(String time1) {
        time1           =   time1.trim();
        long epoch      =   0;
        try {
            epoch   =   new java.text.SimpleDateFormat ("EEE, dd MMM yyyy HH:mm:ss Z").parse(time1).getTime();
            epoch   =   epoch/1000;
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return epoch;
    }