code: private static boolean checkDate(Calendar cal, Calendar other) {
  		return checkDate(cal, other.get(Calendar.DATE), other.get(Calendar.MONTH));
  	}
docs: Check if the given dates match on day and month.
  
  @param cal
  The Calendar representing the first date.
  @param other
  The Calendar representing the second date.
  @return true if they match, false otherwise.