FYI: Montreal Medieval Fair (Salon de la Passion Médiévale) - May 8th to 10th

Program and schedule: http://montrealmedievalfair.ca/autrespages/program/

Note that the program and schedule hasn't been updated yet for 2015, but the 2014 information should give you a general idea.

Festival website, for all other information: http://montrealmedievalfair.ca/

Facebook page: https://www.facebook.com/montrealmedievalfair?ref=stream&fref=nf

The 2014 hours were as follows (and I assume they'll probably be similar for the 2015 festival):

Friday: 5:00 PM to 10:00PM

Saturday: 10:00 AM to 6:00PM

Sunday : 10:00 AM to 5:00 PM