The following calendar highlights important dates throughout the 40th anniversary OSUD season. Regular classes are held every Sunday except for the noted holidays. The season begins on September 16, 2018 and finishes on June 1, 2019.

Term One	Term Two
September 16 to December 16, 2018	January 13 to June 1, 2019
September 16 - Term One classes begin October 7  - Thanksgiving Day Weekend (no classes) December 16 - Winter Celebration - final day of Term One classes ​ ​	January 13 - Term Two classes begin February 10 - OSUD Open House February 17 - Family Day Weekend (no classes) March 10 - March Break (no classes) April 21, 28 - Easters, Passover (no classes) May 19 - Victoria Day Weekend (no classes) May 29, 30 - Concert Dress Rehearsals June 1 - Final Concert (Centrepointe Studio Theatre)