Ontario divides into two time zones as daylight saving ends

Ontario divides into two time zones as daylight saving ends

CBC reported that Ontario split into two time zones as daylight-saving time ended over the weekend, with most of the province setting clocks back an hour and the northwestern region remaining on daylight time. Earlier reports described a patchwork of decisions across Canada. The Weather Network noted that British Columbia, Alberta, Manitoba, parts of northwestern Ontario and the Northwest Territories would keep summer time year-round, while the rest of the country continued the biannual clock changes.

National Post added that Alberta, British Columbia, Manitoba, Saskatchewan, the Northwest Territories and Yukon would not turn clocks back later in the year, whereas most of Ontario, the Atlantic provinces and much of Quebec would revert to standard time. Health researchers cited by CBC and other outlets warned that permanent daylight time and the twice-yearly shift could disrupt sleep, increase health risks and affect productivity across Canada.

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October 31, 2026
1 total
Ontario to split into two time zones as daylight-saving ends this weekend
Ontario to split into two time zones as daylight-saving ends this weekend

CBC • 31 Oct 09:00

Most of Ontario will set clocks back an hour on Sunday, while the northwestern region will remain on daylight time, creating a split between Eastern and Central time zones.

Credibility 72% Manip. 9% Center
October 30, 2026
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Ontario prepares for end of daylight-saving time on Nov. 1
Ontario prepares for end of daylight-saving time on Nov. 1

SooToday.com • 30 Oct 19:29

Clocks will be set back one hour in most of Ontario on Nov. 1, while parts of northwestern Ontario will keep permanent daylight-saving time.

Credibility 72% Manip. 8% Center
Experts warn permanent daylight-saving time could harm Canadians' health and productivity
Experts warn permanent daylight-saving time could harm Canadians' health and productivity

Global News • 30 Oct 17:20

Researchers and officials say keeping daylight-saving time year-round would delay winter sunrises, potentially affecting sleep, health and economic performance across Canada.

Credibility 72% Manip. 8% Center
Experts warn health risks from permanent daylight saving time and seasonal clock changes
Experts warn health risks from permanent daylight saving time and seasonal clock changes

CP24 • 30 Oct 09:00

Researchers say year-round daylight time and the twice-yearly clock shift can disrupt sleep and increase health risks, while some Canadian regions adopt permanent daylight time.

Credibility 68% Manip. 10% Center
October 29, 2026
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Canadian provinces split over permanent daylight time as health experts warn of winter sleep impacts
Canadian provinces split over permanent daylight time as health experts warn of winter sleep impacts

CBC • 29 Oct 08:00

Several western provinces are adopting permanent daylight time while most of the country keeps the biannual clock change, prompting researchers to caution that later winter sunrise could affect sleep and health.

Credibility 72% Manip. 8% Center
October 28, 2026
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Several Canadian provinces to keep daylight saving time permanently as clocks change on Nov. 1
Several Canadian provinces to keep daylight saving time permanently as clocks change on Nov. 1

National Post • 28 Oct 13:59

Alberta, British Columbia, Manitoba, Saskatchewan, the Northwest Territories and Yukon will not turn clocks back on Nov. 1, while most of Ontario, the Atlantic provinces and much of Quebec will revert to standard time.

Credibility 68% Manip. 8% Center
October 26, 2026
1 total
Canada adopts permanent daylight saving time in half of the country
Canada adopts permanent daylight saving time in half of the country

The Weather Network • 26 Oct 07:00

British Columbia, Alberta, Manitoba, parts of northwestern Ontario and the Northwest Territories will keep summer time year-round, while the rest of Canada continues the biannual clock changes.

Credibility 72% Manip. 9% Center