code: private static long getTime(int year, int month, int day, int hour,
  			int minute, int second, int millisecond) {
  		Calendar cal = Calendar.getInstance(Util.TIME_ZONE_UTC);
  		cal.set(year, month - 1, day, hour, minute, second);
  		cal.set(Calendar.MILLISECOND, millisecond);
  		return cal.getTimeInMillis();
  	}
docs: Returns the epoch time in ms.
  
  @return