North America's slow march to end clock changes

Overview

British Columbia sprung its clocks forward on March 8, 2026, for the last time. When November arrives, they will not fall back. The province of five million people adopted permanent daylight saving time at UTC-7, becoming the first major North American jurisdiction to lock its clocks in place since Arizona and Hawaii opted out of clock changes in the late 1960s.

In This Story

3 Videos

6 People

4 Orgs

U.S. Congress passes Sunshine Protection Act, West Coast aligns with BC

3 Context

U.S. year-round DST experiment (1974)

Key Indicators

93%

BC public support

Share of 223,273 respondents in BC's 2019 provincial survey who supported ending clock changes

U.S. states waiting

States that have passed permanent DST legislation but cannot implement it without federal authorization

1 hour

Winter offset with Seattle

Starting November 2026, BC will be one hour ahead of Washington state and the rest of the U.S. Pacific coast during winter

~9:08 AM

Vancouver winter sunrise

Approximate sunrise time on the December solstice under permanent DST, about one hour later than under standard time

Interactive

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Debate Arena

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People Involved

David Eby

Premier of British Columbia (In office; led the decision to activate the 2019 legislation)

Niki Sharma

Attorney General of British Columbia (In office; oversaw the regulatory activation of Bill 40)

John Horgan

Former Premier of British Columbia (2017-2022) (No longer in office; oversaw original legislation and public consultation)

Marco Rubio

U.S. Senator (R-FL); original sponsor of Sunshine Protection Act (In office; no longer lead sponsor of DST legislation as of 2025)

Rick Scott

U.S. Senator (R-FL); lead sponsor of Sunshine Protection Act (2025) (In office; S.29 stalled in committee)

Myriam Juda

Sleep researcher, Simon Fraser University (Active critic of BC's permanent DST decision)

Organizations Involved

Government of British Columbia

Provincial Government

Status: Enacted permanent DST via regulation

The BC provincial government passed enabling legislation in 2019 and activated it by regulation in March 2026, citing public demand and U.S. legislative momentum.

U.S. Congress

Federal Legislature

Status: Has not authorized states to adopt permanent DST

The Uniform Time Act of 1966 allows states to opt out of DST entirely but prohibits them from adopting permanent DST without Congressional authorization — a bottleneck that has stalled 19 state laws.

American Academy of Sleep Medicine

Medical Professional Organization

Status: Opposes permanent DST; advocates for permanent standard time

The leading U.S. sleep medicine organization, backed by 20 medical and scientific groups including the American Medical Association, argues that permanent standard time — not permanent DST — best aligns with human circadian biology.

Greater Vancouver Board of Trade

Business Association

Status: Opposes BC's unilateral time change

Vancouver's major business organization warned that the unilateral time change would create cross-border scheduling difficulties and make it harder to attract businesses to British Columbia.

Timeline

BC springs forward for the final time
Implementation

British Columbia's clocks moved forward one hour at 2:00 AM, beginning the province's permanent adoption of UTC-7. Communities in eastern BC on Mountain Time were not affected. The change will be fully in effect after November 1, when clocks do not fall back.
Yesterday • 2:00 AM
Eby calls on U.S. West Coast governors to follow
Statement

Premier Eby urged governors in Washington, Oregon, and California — all of which have passed conditional permanent DST laws — to join British Columbia in ending clock changes.
5 days ago
BC announces permanent DST adoption
Policy

Premier David Eby and Attorney General Niki Sharma announced that British Columbia would activate Bill 40 by regulation, citing "recent actions from the United States" and nearly seven years of waiting. Clocks would spring forward one final time on March 8.
7 days ago
Novel U.S. bill proposes splitting the difference at 30 minutes
Legislative

Representative Steube introduced the Daylight Act, which would permanently shift clocks forward 30 minutes from standard time — a compromise between standard time and DST — and eliminate all future changes.
February 4th, 2026
Sunshine Protection Act reintroduced in 119th Congress
Legislative

Senator Rick Scott introduced S.29 with 18 bipartisan cosponsors. A companion bill, H.R. 139, was introduced in the House. Neither has advanced out of committee.
January 7th, 2025
Sleep medicine group endorses permanent standard time
Scientific

The American Academy of Sleep Medicine, backed by 20 medical organizations including the American Medical Association, published a position statement calling permanent standard time — not permanent DST — the optimal choice for health.
October 1st, 2023
Mexico abolishes DST for most of the country
Legislative

Mexico ended clock changes for most of the country under President Andres Manuel Lopez Obrador. Border municipalities that coordinate economically with U.S. states continued observing DST on the American schedule.
October 30th, 2022
U.S. Senate passes Sunshine Protection Act unanimously
Legislative

The Senate approved the bill by unanimous consent, though some senators later said they were unaware it was being called for a vote. The bill never received a vote in the House and expired at the end of the 117th Congress.
March 15th, 2022
Yukon adopts permanent DST
Policy

Yukon became the first Canadian jurisdiction to adopt permanent daylight saving time, moving to year-round UTC-7. The change later drew complaints about dark winter mornings and caused electronic calendar glitches.
November 1st, 2020
BC passes Bill 40 enabling permanent DST
Legislative

The Interpretation Amendment Act received Royal Assent under Premier John Horgan but was not brought into force. The government chose to wait for Washington, Oregon, and California to act first.
November 28th, 2019
BC launches public consultation on clock changes
Consultation

British Columbia opened a province-wide survey that drew 223,273 responses — a record for BC government consultations. Ninety-three percent of respondents supported ending biannual clock changes.
June 24th, 2019
Rubio introduces the Sunshine Protection Act
Legislative

Senator Marco Rubio introduced the first federal bill to make daylight saving time permanent nationwide, modeled on a Florida state law passed the same year.
March 1st, 2018
U.S. begins year-round DST experiment
Policy

President Nixon signed the Emergency Daylight Saving Time Energy Conservation Act during the OPEC oil embargo. Public approval collapsed from 79% to 42% within two months as children went to school in pitch darkness. The experiment was cut short after eight months.
January 6th, 1974
Arizona opts out of DST permanently
Legislative

After a single summer of observing DST in 1967, Arizona abandoned the practice permanently, finding that extra afternoon sunlight increased air conditioning costs in the desert climate.
January 1st, 1968
Uniform Time Act standardizes DST across the U.S.
Legislative

Congress established uniform DST dates and allowed states to opt out entirely but prohibited them from adopting permanent DST without federal authorization.
April 13th, 1966
Saskatchewan adopts permanent standard time
Legislative

Saskatchewan stopped changing clocks, observing Central Standard Time year-round. The province effectively operates on permanent mountain daylight time relative to its geographic position.
January 1st, 1966
U.S. adopts daylight saving time for World War I
Legislative

The United States passed its first DST law to conserve fuel for the war effort. The measure was repealed the following year after the war ended.
March 19th, 1918

Scenarios

U.S. Congress passes Sunshine Protection Act, West Coast aligns with BC

Discussed by: Senator Rick Scott and 18 bipartisan cosponsors; editorial boards at The Seattle Times and The Oregonian; sleep policy analysts note BC's move increases political pressure

BC's unilateral action creates a live demonstration of permanent DST on the U.S. border, increasing pressure on Congress to authorize what 19 states have already approved. If the Sunshine Protection Act passes, Washington, Oregon, and California would likely activate their existing laws quickly, eliminating the winter time gap with BC. This scenario becomes more likely if the 2026-2027 winter experiment in BC proceeds without major complaints and if Trump throws executive weight behind legislation.

Winter backlash forces BC to reconsider as dark mornings draw complaints

Discussed by: Sleep researchers at Simon Fraser University and the American Academy of Sleep Medicine; the Greater Vancouver Board of Trade; analysts citing the failed 1974 U.S. experiment

When November 2026 arrives and clocks don't fall back, Vancouver faces 9:08 AM sunrises at the December solstice. Parents, school districts, and sleep researchers amplify complaints about children commuting in darkness. The 1974 U.S. precedent looms: public approval of year-round DST dropped from 79% to 42% after one winter. Yukon's experience with calendar glitches and dark-morning frustration offers a smaller-scale preview. Cross-border businesses along the Vancouver-Seattle corridor document scheduling disruptions. Pressure mounts on the Eby government to revisit the decision or switch to permanent standard time instead.

Other Canadian provinces follow BC, creating a patchwork that forces federal coordination

Discussed by: Alberta Premier Danielle Smith (announced consultations); Ontario government (has conditional legislation); Canadian time policy analysts

Alberta Premier Danielle Smith has already signaled interest in ending clock changes following BC's announcement. Ontario has legislation ready, contingent on New York and Quebec acting. If Alberta moves to permanent DST, it would align with BC year-round since both would observe UTC-7. A westward cascade of provinces could pressure the federal government to establish a national framework, potentially resolving the DST-versus-standard-time question through federal coordination rather than province-by-province action.

Stalemate persists: BC remains an island for years as Congress and other provinces stall

Discussed by: GovTrack (estimates 4% chance of Sunshine Protection Act passage); legislative analysts tracking Congressional gridlock on non-priority issues

Congress remains gridlocked on DST legislation, treating it as a low-priority issue. Alberta's consultation produces mixed results similar to its 2021 referendum (which failed 50.2% to 49.8%). Ontario remains blocked by New York's inaction. BC operates in a unique time zone for years — aligned with Alberta in winter but one hour ahead of the U.S. Pacific coast. Businesses adapt gradually, and the disruption proves manageable but annoying, neither dramatic enough to reverse nor compelling enough to spur neighbors into action.

Historical Context

U.S. year-round DST experiment (1974)

January-October 1974

What Happened

During the OPEC oil embargo, President Nixon signed legislation making daylight saving time year-round, claiming it would save 150,000 barrels of oil daily. Public approval started at 79%. By February — after one month of dark winter mornings — it had dropped to 42%. Eight children in Florida were hit by cars while walking to school before sunrise, and a television commentator coined the term "Daylight Disaster Time."

Outcome

Short Term

Congress repealed the experiment after eight months, restoring standard time in October 1974. The Department of Transportation found the change saved little energy and may have increased gasoline consumption.

Long Term

The 1974 experience became the primary cautionary tale against permanent DST. It demonstrated that public enthusiasm for evening light evaporates when winter morning darkness becomes a daily reality — a pattern BC's critics warn will repeat.

Why It's Relevant Today

BC faces the same fundamental trade-off: 93% public support was measured in a summer survey. The real test comes in November 2026, when Vancouver's sun won't rise until after 9 AM. The 1974 precedent suggests public opinion can shift dramatically once the consequences become tangible.

Yukon's permanent DST adoption (2020)

November 2020-present

What Happened

Yukon became the first jurisdiction in western Canada to lock its clocks at UTC-7, stopping the November 2020 fallback. The territory of roughly 43,000 people served as a small-scale test case for the exact policy BC has now adopted. Electronic calendars following Pacific Standard Time displayed appointments an hour off, causing scheduling confusion. Dark winter mornings — sunrise past 10 AM in Whitehorse at the solstice — drew criticism from residents and sleep researchers.

Outcome

Short Term

Technology companies updated timezone databases, but some scheduling software remained glitchy for months. Residents adjusted but complaints about winter darkness persisted.

Long Term

Yukon has not reversed the decision. However, its small population and limited cross-border commercial activity meant the stakes were far lower than for BC, which has 100 times more residents and shares one of North America's busiest border corridors.

Why It's Relevant Today

Yukon provided both a proof of concept and a warning. The decision stuck in a small, remote territory — but BC's experiment involves five million people and the economically critical Vancouver-Seattle corridor, amplifying both the benefits and the risks.

Saskatchewan's permanent standard time (1966)

1966-present

What Happened

After decades of chaotic timekeeping — with different cities observing different time rules — Saskatchewan held a 1956 plebiscite and ultimately passed The Time Act in 1966, locking the province on Central Standard Time year-round. Because Saskatchewan sits geographically in the Mountain Time Zone, it effectively operates on permanent mountain daylight time without calling it that.

Outcome

Short Term

The province resolved a generation of scheduling confusion. Urban areas that had favored Central time and rural areas that had favored Mountain time both accepted the unified system.

Long Term

Sixty years later, Saskatchewan's system is unremarkable. Residents rarely think about it. The province demonstrates that eliminating clock changes is entirely workable — the question is which offset to choose, not whether to stop switching.

Why It's Relevant Today

Saskatchewan proves the endpoint is stable: once a jurisdiction stops changing clocks and people adjust, the issue fades from public consciousness. The debate is about the transition period and the specific offset chosen, not whether permanent time can work.