Spring/Summer 2023 Last day to withdraw from Online Courses – PPL Date: May 22 Event Category: Professional and Part-time Learning Website: durhamcollege.ca/ppl Organizer Professional and Part Time Learning Phone: 905-721-3052 Email: ppl@durhamcollege.ca Website: www.durhamcollege.ca/ppl Details: + Google Calendar+ iCal Export Related Events May 01 Spring/Summer 2023 On Campus Courses Begin – PPL Learn more about this event. May 09 Spring/Summer 2023 Online Courses Begin – PPL Learn more about this event. May 23 Spring/Summer 2023 Last day to register for Online Courses – PPL Learn more about this event.