when does canada switch to daylight savings time
the second Sunday of March
title: Daylight saving time in Canada text: Daylight saving time in Canada Daylight saving time (DST) is observed in all ten Canadian provinces and three territories. However, there are exceptions within several provinces and the territory of Nunavut, including most of Saskatchewan, which observes Central Standard Time year-round even though the province is in the Mountain Zone, effectively putting it on DST year-round. Under the Canadian Constitution, laws related to timekeeping are a purely provincial or territorial matter. In regions where daylight saving time is used, it commences on the second Sunday of March, and standard time restarts on the first Sunday in November. Daylight saving time title: Daylight saving time in Canada text: synchronized with its observance in the United States to facilitate consistent economic and social interaction. When the United States extended DST in 1987 to the first Sunday in April, all DST-observing Canadian jurisdictions followed suit to mimic the change. The latest United States change (Energy Policy Act of 2005), adding parts of March and November starting in 2007, was adopted by the various provinces and territories on the following dates: Most of British Columbia (BC) is on Pacific Time and observes DST. However, there are two main exceptions: While the rest of Nunavut observes DST, Southampton Island including Coral Harbour title: Daylight saving time in Canada text: lasts for a total of 34 weeks (238 days) every year, about 65% of the entire year. Port Arthur, Ontario, was the first municipality in the world to enact DST, on July 1, 1908. Five Canadian cities, by local ordinance, used daylight saving time before 1918: Brandon, Manitoba and Winnipeg, Manitoba (already in 1916) as well as Halifax, Nova Scotia, Hamilton, Ontario, and Montreal, Quebec. St. John's, Newfoundland (now Newfoundland and Labrador), which did not become part of Canada until 1949, also used DST before 1918. In practice, since the late 1960s DST across Canada has been closely or completely title: Time in Canada text: in the world to use it. It was followed by Winnipeg on April 23, Halifax on April 30, and Hamilton, Ontario on June 4. Daylight saving time is currently observed in all ten provinces and three territories but with several exceptions in several provinces and Nunavut, including most of Saskatchewan, which despite geographically being in the Mountain Time Zone observes year-round CST. Under the Constitution of Canada, laws related to timekeeping are a purely provincial matter. In practice, since the late 1960s DST across Canada has been closely or completely synchronized with its observance in the United States to promote title: Daylight saving time in Canada text: remain on Eastern Standard Time throughout the year. The Kitikmeot Region including Cambridge Bay observes DST but is on Mountain Time. Eureka, Nunavut, a permanent research station on Ellesmere Island, also stays on Eastern Standard Time throughout the year. Most of Ontario uses DST. Pickle Lake, Atikokan and New Osnaburgh, three communities located within the Central Time Zone in northwestern Ontario, observe Eastern Standard Time all year long. Most of Quebec observes DST. However, the eastern reaches of Quebec's North Shore, east of 63° west longitude, are in the Atlantic Time Zone, but do not observe DST (see exception, below).