As spring approaches across North America, millions of people are preparing for a familiar ritual: turning their clocks forward one hour. Daylight Saving Time (DST) is set to begin in 2026, bringing longer evenings, darker mornings and renewed debate over whether the decades-old practice still makes sense in today’s world.While many people welcome the extra daylight after work, scientists and policy makers continue to question the health, economic and social impacts of changing the clocks twice a year.
When will daylight saving time start in the US in 2026 Canada
In 2026, Daylight Saving Time will begin on Sunday, March 8, when clocks in much of the United States and Canada are moved forward one hour at 2:00 a.m., promptly becoming 3:00 a.m. The change means people effectively lose an hour of sleep that night, but it also makes daylight hours longer in the evening for months to come.DST will remain in effect until November 1, 2026, when the clocks will be “set back” one hour and return to standard time. The seasonal time change applies to most US states and many parts of Canada. However, Hawaii and most of Arizona do not observe DST, and many US territories also remain on standard time year-round.
Why does daylight saving time exist?
The idea behind DST is simple: Shift the clocks so that daylight occurs in the evening during the warmer months, allowing people to make better use of natural light. This concept is more than a century old. Daylight saving time was widely adopted during World War I as a way to conserve fuel used for lighting and heating.In the United States, this practice was standardized under the Uniform Time Act of 1966, which established a consistent national schedule for when clocks should be changed. Since 2007, DST begins on the second Sunday of March and ends on the first Sunday of November, increasing the duration of daylight by several weeks compared to earlier decades.By turning the clocks forward in the spring and backward in the autumn, societies aimed to make better use of daylight during the long days of summer, reducing the need for artificial light and potentially saving electricity. Today, proponents argue that DST still offers many benefits, including:
- Long evening hours for entertainment and shopping.
- Potential boost to tourism and retail activity.
- Crime rates decreased in the evening in some areas.
However, critics say that many of the original benefits, particularly energy savings, are now minimal in modern economies.
Health debate over changes to daylight saving time
Despite its long history, the twice-a-year clock shift remains controversial – especially among health experts. Medical researchers say that the sudden loss of an hour of sleep disrupts the body’s circadian rhythm, the internal clock that regulates sleep, metabolism and hormone cycles.Studies have linked the change in spring to several short-term health risks, including:
- Increase in heart attacks and strokes
- high rate of traffic accidents
- lack of sleep and fatigue
- Decreased concentration and mood swings
Research cited by health organizations also suggests that the risk of heart attack may increase in the days immediately following the clock going forward. Some scientists argue that the real issue is not DST itself, but the biennial switching between time systems, which can create what experts call “social jet lag.”
Economic Impact of Daylight Saving Time
In addition to health concerns, economists say Daylight Savings Time may also have hidden financial costs. One analysis estimated that the time change could cost the US economy approximately $672 million annually, primarily due to health effects, accidents, and lost productivity following sleep deprivation.However, proponents of DST argue that longer evenings could boost consumer activity, retail sales, and outdoor recreation, which could benefit businesses during the warmer months.
Road safety and daylight saving time productivity concerns
DST-related sleep disruption may also affect alertness, especially during morning commutes. Traffic safety groups have warned that the change could lead to an increase in drowsy driving, which could be as dangerous as driving under the influence of alcohol.Some economists estimate that the widespread costs of DST due to health impacts, reduced productivity, and accidents could reach hundreds of millions of dollars annually in the United States alone.
A growing movement to end clock changes
The ongoing debate has fueled political efforts to eliminate the twice-a-year time change altogether. In the United States, lawmakers have repeatedly introduced the Sunshine Protection Act, a proposal to make daylight saving time permanent nationwide.Although the bill passed the Senate in 2022, it has yet to become law. If enacted, Americans would no longer change their clocks every spring and fall. Meanwhile, some areas have already begun experimenting with permanent DST or permanent standard time policies, reflecting growing public frustration with clock changes.
How to Prepare for Daylight Saving Time Changes
Experts suggest some simple steps to make the transition easier:
- Go to bed 10-15 minutes earlier in the days before the change.
- Get morning sunlight to help reset the body clock.
- Avoid caffeine late in the evening.
- maintain a regular sleep schedule
These strategies can help reduce fatigue and help the body adjust to the new schedule more easily. For now, the spring clock change remains a reality for millions of people in North America, but as scientific evidence and public debate continues to grow, Daylight Saving Time may be reaching a turning point.Whether governments ultimately keep DST permanent, switch to year-round standard time or maintain the current system, one thing is clear: The centuries-old practice of changing the clocks twice a year is increasingly under scrutiny. With March 8, 2026 rapidly approaching, millions of people will once again “move on” and lose an hour of sleep in the process.