The age determination date for a player is the actual age of a player on April 30th of the current year.
Example #1: Sam is 8 years old. His birthday is April 28th,2016. He would NOT be allowed to play 8u due to the fact that he would be 9 before April 30th.
Example #2: Tim is 11 years old. His birthday is May 15th,2012. He IS eligible to play in 12 u for the season.