code: private static int isTodayOrTomorrow(Resources r, long dayMillis,
                                           long currentMillis, long localGmtOffset) {
          int startDay = Time.getJulianDay(dayMillis, localGmtOffset);
          int currentDay = Time.getJulianDay(currentMillis, localGmtOffset);
  
          int days = startDay - currentDay;
          if (days == 1) {
              return TOMORROW;
          } else if (days == 0) {
              return TODAY;
          } else {
              return NONE;
          }
      }
docs: Returns TODAY or TOMORROW if applicable.  Otherwise returns NONE.