code: public static int compressTime(long date) {
  		Long lowResolutionDate = new Long((date - TIME_ZERO) / MS_IN_SEC);
  		return lowResolutionDate.intValue();
  	}
docs: Compress time from long- to the integer-format: reduce the resolution to
  "seconds" and zero time to 1th January 2000
  
  @param date
  date/time in the long format
  @return date/time in the compressed integer format