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Significant Dates

2025–2026

Upcoming: Deadlines are effective by the End-of-Business-Day, unless otherwise noted.

Revised Dates:

The university may be required to amend dates in response to emergent situations. For easy reference of the specific date changes, please see the 2025–2026 Undergraduate Calendar Addenda and Errata Section.

List of Significant Dates

The following dates are sorted chronologically, beginning in January of 2025.  Deadlines are effective by the End-of-Business-Day, unless otherwise noted.

The default view shows 50 entries per page. Use the Search Tool on the right to filter the dates by category or to search by keyword. A list of the different categories of dates (with keywords in bold) is below.

Admissions Deadlines
Enrolment and Refund Dates
Exam Dates
Fees and Tuition Dates
Financial Assistance - OSAP
Grades
, Standings, and Appeal Related Dates
Graduation and Convocation
Holidays and Observances
Session Start and End Dates
Transfer Credit Deadlines

NOTE: Undergraduate full-time program students who enrol in The Chang School classes and are assessed individual Chang School class fees should consult The Chang School website for appropriate deadlines. At the time of publication, tuition fees were pending approval. Scholarships and Awards have their own deadline dates.

Significant Date Archives

Archive of previously published significant dates: