Northwest Little League adheres to Little League of America's age dtermination guidelines. Your player’s league age is determined by the Little League Baseball and Little League Softball Age Charts. The dates for baseball and softball are different, but each determines the division in which your Little Leaguer will play this season. The Age Determination Date for a Little League Baseball player is the actual age of a child on August 31 of the current year. The Age Determination Date for a Little League Softball player is the actual age of a child on December 31 of the previous year.