CIBC Yorkdale Branch will be closed Sunday April 20 for Easter Sunday. CIBC Branches in Nunavut will be closed Monday April 21 for Easter Monday. Bank machines at most locations will be available throughout the holiday period. CIBC Online Banking, CIBC Mobile Banking and CIBC Telephone Banking are available 24 hours a day, 7 days a week. Please note: Transactions conducted on weekends and holidays or after 6 p.m. will be effective the next business day.