Daylight saving time 2017 in Ontario is starting at 2:00 AM on this Sunday and ending at 2:00 AM on
Sunday, November 5.
Tonight, when the time is about to reach 2:00 am, clocks are turned forward 1 hour to 3:00am. Sunrise and sunset will be about 1 hour later on Mar 12, 2017 than the day before. There will be more light in the evening.