Most people in North America are set to fall back into standard time and gain an extra hour of sleep this weekend.
The annual change happens at 2 a.m. local time Sunday, but most people usually set their clocks back before heading to bed Saturday night.
The shift moves one hour of daylight to the morning from the evening.
Saskatchewan has not observed daylight time since the 1960s.
Some pockets of the country, including communities in Ontario, British Columbia and Nunavut, and certain parts of the United States also shun the time shift.
Daylight Saving Time in Canada was changed from the first Sunday in April to the second Sunday in March to align with the time shifts in the U.S.
In 2005, then-president George W. Bush signed the Energy Policy Act into law, which extended daylight saving time.
Canada followed suit to ensure that the time shifts did not disrupt business dealings with its biggest trade partner.
Public safety officials say this is a good time to put a new battery in the smoke alarm, no matter where you live.