The regular rate is applicable for all these festive periods.
Easter : from April 19th to 22nd, 2019 (consult the schedule here)
Victoria’s day : from May 17th to 20th, 2019 (consult the schedule here)
Summer period : from June 21st to September 2nd, 2019
Thanksgiving : from October 11th to 14th, 2019
Remembrance Day : November 11th, 2019
Holidays : from December 20th, 2019
Consult the rates calendars : Tarifications_2019