Daylight saving time

A new analysis warns that making daylight saving time permanent could damage sleep and mental health. Researchers argue the clock shift leaves people misaligned with morning daylight, disrupting circadian rhythms and potentially worsening mood and sleep disorders. The findings feed an ongoing policy debate, notably in the United States, over whether to keep seasonal clock changes or adopt one time system year-round.

German media are reminding readers when to set clocks back for the end of daylight saving time in October 2026. Outlets including Stern, WEB.DE and BR explain when winter time begins and offer practical tips for the switch. The twice-yearly clock change remains a recurring topic of public interest and debate in Germany and across the EU, where plans to abolish it have long stalled.

Experts warn that making daylight saving time permanent could harm public health. Research on sleep and circadian rhythms suggests permanent standard time is safer, and the debate over clock changes in the United States has renewed attention on the issue.

Spain is preparing for the end of daylight saving time, with clocks due to go back one hour as the country switches to winter time for 2026. Media outlets such as El Economista are reminding readers of the exact date the change takes effect. The twice-yearly clock change continues to spark debate in Spain and across the EU, where proposals to abolish it have stalled for years.

As the annual clock change approaches, Americans are searching for when daylight saving time ends, with fall clocks set to shift back one hour. Debate continues over whether the United States should adopt permanent daylight saving time, and news outlets are polling readers on whether they support ending the twice-yearly time changes altogether.

A large majority of Americans want to stop the twice-yearly clock changes between daylight saving and standard time, yet Congress has failed to act. Senators remain divided over which system to keep permanently — permanent daylight saving time or permanent standard time — a dispute that has stalled legislation, including prior bipartisan efforts like the Sunshine Protection Act.

A new blog post explains why Pendulum, the popular Python library for handling dates and times, implements an unusually complicated '+' operator. The piece walks through the edge cases in datetime arithmetic that forced the library's developers to write code that looks strange at first glance but handles real-world time zone and daylight saving quirks correctly.

Spaniards are searching for when the clocks change to winter time this year. The end of daylight saving time in Spain typically moves clocks back one hour in late October, bringing earlier sunsets and darker evenings across the country. Outlets like Time Out are answering readers' questions about the exact date, and the biannual ritual continues to prompt debate each year about whether Europe should abolish the seasonal clock changes altogether.

Daylight Saving Time continues to pose scheduling and revenue challenges for the golf industry, with earlier sunsets cutting into prime evening tee times and forcing courses, leagues and operators to adjust bookings and staffing. Operators say the clock change complicates planning for year-round play and affects golfer habits at facilities across the country.

A new analysis warns that making daylight saving time permanent could disrupt sleep patterns and negatively affect mental health, pushing back against proposals to adopt it in the United States. The finding argues that year-round later sunrises would leave many people misaligned with their body clocks, contradicting popular assumptions that eliminating clock changes is automatically better for wellbeing.

A renewed push under the slogan 'Lock the Clock!' is calling for governments to stop the twice-yearly switching between daylight saving and standard time. Supporters argue permanent time would cut disruption to sleep, schedules and the economy, and the demand is drawing fresh debate in the media about whether legislatures should finally abolish the seasonal clock change.