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Canadian daylight saving time
Observed by
Alberta
British Columbia (mostly)
Manitoba
New Brunswick
Newfoundland and Labrador
Northwest Territories
Nova Scotia
Nunavut (mostly)
Ontario (mostly)
Prince Edward Island
Quebec (mostly)
Saskatchewan (partly)
Begins
Second Sunday in March
Ends
First Sunday in November
2023 date
March 12 – November 5
2024 date
March 10 – November 3
2025 date
March 9 — November 2
First time
1908; 116 years ago (1908)
Related to
Daylight saving time
In Canada, daylight saving time (DST) is observed in nine of the country's ten provinces and two of its three territories—though with exceptions in parts of several provinces and Nunavut.[1]
Under the Canadian Constitution, laws related to timekeeping are a provincial and territorial matter.[2] Most of Saskatchewan, despite geographically being in the Mountain Time Zone, observes year-round Central Standard Time (CST). In 2020, Yukon abandoned seasonal time change and moved to permanently observe year-round Mountain Standard Time (MST).[3]
In the regions of Canada that use daylight saving time, it begins on the second Sunday of March at 2 a.m. and ends on the first Sunday in November at 2 a.m. As a result, daylight saving time lasts in Canada for a total of 34 weeks (238 days) every year, about 65 percent of the entire year.
^National Research Council (August 5, 2020). "Time zones and daylight saving time". Retrieved September 23, 2020.
^Wiseman, Nelson (1994). "In Search of Manitoba's Constitutional Position, 1950–1990". Journal of Canadian Studies. 29 (3): 85–107. doi:10.3138/jcs.29.3.85. ISSN 0021-9495. S2CID 142488370.
^Government of Yukon (March 4, 2020). "Yukon to end seasonal time change". Retrieved September 23, 2020.
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