CARROLL | It’s Been 12 Years Since The Toronto Blackout Toronto, ON, Canada / Talk Radio AM640 Posted: August 14, 2015 04:30 pm Dan Nguyen / CC Today marks 12 years since the major Toronto blackout happened. It struck right at 4:11pm and left commuters on the subway to find a different route home. The blackout lasted for a couple of days. Where were you when it happened? What did you do during it?