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Office of the Registrar

In-person hours

Monday to Friday: 10 a.m. – 3:30 p.m. ET

Gilmour Hall, 108

Join the line for drop in service.

Live chat hours

Monday to Friday: 1:00 p.m. – 4:00 p.m. ET

Our online chatbot, MAC, is available 24/7.

Hours are subject to change. Learn more about updates on office closures and modified hours.

Your safety and well-being are our top priorities – if in crisis, you’re not alone. Reach out to Campus Security Services or 9-1-1 for urgent situations, Student Wellness for mental health support, or RO Student Services for financial emergencies. Explore more resources on campus.

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McMaster University is committed to fostering a respectful organizational culture in which all students, staff and faculty can learn, work and live in an inclusive and barrier-free environment that fosters equality, respect and accessibility. If you have an accommodation need for a planned meeting (virtual or in-person), please let us know directly through the live chat and we will do our best to make appropriate arrangements.