The Bank of Canada makes their interest rate announcement schedule available on their website, and currently they have posted the schedule for the rest of 2013.
This is the current schedule for announcements, including the most recent release on January 23:
23 January | Interest rate announcement and Monetary Policy Report |
6 March | Interest rate announcement |
17 April | Interest rate announcement and Monetary Policy Report |
29 May | Interest rate announcement |
17 July | Interest rate announcement and Monetary Policy Report |
4 September | Interest rate announcement |
23 October | Interest rate announcement and Monetary Policy Report |
4 December | Interest rate announcement |
To see the current announcement schedule, visit http://www.bankofcanada.ca/monetary-policy-introduction/key-interest-rate/schedule/.