How many hours is the difference between Canada and America?

There is no single time difference between Canada and America as both countries span multiple time zones. For example, when it is 12:00 PM in Vancouver, Canada, it is 1:00 PM in Seattle, Washington, USA, which is one hour behind. However, when it is 12:00 PM in Toronto, Canada, it is 10:00 AM in New York City, USA, which is two hours behind.