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Clocks Stay in Daylight Saving, but Analysis Backs Permanent Standard Time
Researchers say permanent standard time better aligns with body clocks as B.C. and other Western jurisdictions keep year-round daylight time.
Western Canada—including British Columbia, Alberta, Manitoba, and the Northwest Territories—announced this year that the region will adopt permanent daylight time to simplify scheduling and provide evening light during winter months.
Researchers from British Columbia released an analysis Monday in the Canadian Medical Association Journal warning that permanent daylight time poses health risks and that standard time better aligns with the body's rhythm.
Patrick Baylis, a co-author of the analysis, cited concerns about students going to school in the dark, noting that an extra hour of morning sunlight is associated with higher math and reading scores among adolescents.
Russia, Chile, and the United States abandoned permanent daylight saving within years due to public backlash, citing disrupted biological rhythms, morning travel risks, and safety concerns regarding dark winter mornings.
Jonathan Hayward Mistlberger, a neuroscientist at Simon Fraser University, advises residents to seek light exposure as early as possible, warning that misalignment between social calendars and biological clocks can lead to chronic health concerns including metabolic disorders and cardiovascular disease.