java获取美国时间

public static String getUSDate(String originDate){
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        Date date = null;
        if(originDate != null && !"".equals(originDate)){
            try {
                date = simpleDateFormat.parse(originDate);
            } catch (ParseException e) {
                e.printStackTrace();
            }
        }else{
            date = new Date();
        }
        simpleDateFormat.setTimeZone(TimeZone.getTimeZone("America/New_York"));
        return simpleDateFormat.format(date);
    }