Why the time difference between the US and Europe will be one hour shorter this week

Every October, there's a week when Europe and the U.S. are out of sync with daylight saving time, potentially confusing ...

Your body has an internal clock that dictates when you eat, sleep and might have a heart attack – all based on time of day

Your body follows a circadian rhythm that influences everything from how well your medications work to the best time for ...

Here’s what happens to your body when clocks ‘fall back’ an hour

Daylight saving time ends at 2 a.m. local time Sunday, which means you should set your clock back an hour before you go to ...

Daylight Saving Time: When does the clock fall back today? How to adjust to the change?

Most Americans will enjoy an extra hour of sleep this weekend as the nation transitions from daylight saving time to standard ...

Why Is It So Hard to Adjust When Clocks ‘Fall Back’?

Neurologist Dr. Ptacek explains how "falling back" disrupts the 24-hour circadian clock, affecting mood and performance, with ...
The Daily Pennsylvanian

Penn Medicine researcher explores impacts of daylight savings time on physical, mental health

What may feel like a minor schedule change can affect sleep, mood, concentration, and even physical health, according to the ...

The Dark Side of Daylight Saving Time

As of 2025, most Americans are on Daylight Saving Time eight months of the year, from March to November. Standard Time is ...

Daylight Saving Time ending: When do we turn back the clocks in Massachusetts?

Just a couple of days after Halloween, most of the US will be moving the clocks backward one hour. Daylight Saving Time (DST) ...
TMCnet

Keeping Time in Focus Across the Web

Find out how to keep time online accurately using World Clock, Time.now, Google Clock, and more. Learn how web-based time ...
Rolling Out

7 ways to sync your sleep schedule with your body clock

The alarm blares at 6 a.m. after another night of restless sleep. You drag yourself out of bed, already exhausted before the day begins. If this scenario sounds familiar, the issue might not be how ...