Monday 02 Jan New Year's Day (In lieu of January 1)
Monday 20 Feb Family Day
Friday 06 Apr Good Friday
Monday 21 May Victoria Day
Monday 02 Jul Canada Day (In lieu of July 1)
Monday 06 Aug Civic Holiday
Monday 03 Sep Labour Day
Monday 08 Oct Thanksgiving Day
Monday 24 Dec Christmas Eve (Early Closure)
Tuesday 25 Dec Christmas Day
Wednesday 26 Dec Boxing Day
Source: http://www.tmx.com/en/about_tsx/market_hours.html