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Tag: clocks

  • Here’s What Happens When Your Phone’s Clock Changes Itself on Nov. 2

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    “Spring ahead; fall back.” That’s the mnemonic we all use to remember how much pain is coming when the time changes. It’s fall, the less painful one, and since the time on everyone’s smartphone changes itself now, your alarm will feel like it’s going off an hour late. Pro: You might get more sleep. Con: Your cat won’t care what the clock says, and will just wake you up to get fed at 7:00 a.m. instead of 8:00 a.m.

    But if you’ve never given the time change more than a moment’s thought, and you’re up late tonight when the shift from daylight saving to standard time occurs, here’s what will literally happen.

    Time is tweaked right now, with the day unnaturally stretched to give us more the daylight. Every place that observes daylight saving time agrees that during the sunny months, astronomical high noon—the point at which the sun is straight up—is 1:00 p.m. We fix this in the fall by repeating an hour, putting noon back in its correct place, and making sundials accurate again. 

    If you watch the time change in the wee hours of the morning on your smartphone or smartwatch, you can literally see time. If you’re using an android phone, set your lock screen clock to analog in Settings>Style. If you’re on an iPhone, just stare at the icon of the Clock app, which is a fully functional analog clock. In my experience, the time change will occur at 2:00:01 a.m. on Apple devices. I don’t know why.

    When the big moment comes, the little hand will jump back to the left, and your perception of quantifiable time as a fixed law of the universe will be shattered. Truth will be exposed as an artificial construct, and everything you believe is meaningful will be replaced with a void. 

    For one hour, you will now exist in a sort of purgatory of extraneous time. You shouldn’t be awake. If you’ve ever read Stephen King’s The Langoliers, you know what to expect in this zone. No birds in the sky. Food tastes stale. The air in your lungs feels empty. Machines don’t work. Giant disembodied mouths may eat you. The usual. (Obviously I’m kidding. But read The Langoliers.)

    And you’re probably going to hate what happens tonight: the clock time you associated with the sunset on November 1 will now suddenly shift to one hour earlier on November 2, meaning the day will feel “an hour shorter.” The sun will hurtle below the horizon in the late afternoon, and you’ll suddenly feel vampiric and nocturnal, eating dinner in the dead of night. Young kids unaccustomed to staying up late will suddenly feel like they’re learning the secrets of night time, because they are.

    Oh, and don’t forget to manually change the little clock by the speedometer in your car. That one’s really important.

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    Mike Pearl

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  • How springing forward to daylight saving time could affect your health, and how to prepare

    How springing forward to daylight saving time could affect your health, and how to prepare

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    WASHINGTON — Most of America “springs forward” Sunday for daylight saving time and losing that hour of sleep can do more than leave you tired and cranky the next day. It also could harm your health.

    Darker mornings and more evening light together knock your body clock out of whack – which means daylight saving time can usher in sleep trouble for weeks or longer. Studies have even found an uptick in heart attacks and strokes right after the March time change.

    (video from 2023 daylight saving time)

    There are ways to ease the adjustment, including getting more sunshine to help reset your circadian rhythm for healthful sleep.

    “Not unlike when one travels across many time zones, how long it can take is very different for different people,” said Dr. Eduardo Sanchez of the American Heart Association. “Understand that your body is transitioning.”

    When does daylight saving time start?

    Daylight saving time begins Sunday at 2 a.m., an hour of sleep vanishing in most of the U.S. The ritual will reverse on Nov. 3 when clocks “fall back” as daylight saving time ends.

    Hawaii and most of Arizona don’t make the spring switch, sticking to standard time year-round along with Puerto Rico, American Samoa, Guam and the U.S. Virgin Islands. Worldwide, dozens of countries also observe daylight saving time, starting and ending at different dates.

    Some people try to prepare for daylight saving time’s sleep jolt by going to bed a little earlier two or three nights ahead. With a third of American adults already not getting the recommended seven hours of nightly shuteye, catching up can be difficult.

    What happens to your brain when it’s lighter later?

    The brain has a master clock that is set by exposure to sunlight and darkness. This circadian rhythm is a roughly 24-hour cycle that determines when we become sleepy and when we’re more alert. The patterns change with age, one reason that early-to-rise youngsters evolve into hard-to-wake teens.

    Morning light resets the rhythm. By evening, levels of a hormone called melatonin begin to surge, triggering drowsiness. Too much light in the evening – that extra hour from daylight saving time – delays that surge and the cycle gets out of sync.

    Sleep deprivation is linked to heart disease, cognitive decline, obesity and numerous other problems. And that circadian clock affects more than sleep, also influencing things like heart rate, blood pressure, stress hormones and metabolism.

    How does the time change affect your health?

    Fatal car crashes temporarily jump the first few days after the spring time change, according to a study of U.S. traffic fatalities. The risk was highest in the morning, and researchers attributed it to sleep deprivation.

    Then there’s the cardiac connection. The American Heart Association points to studies that suggest an uptick in heart attacks on the Monday after daylight saving time begins, and in strokes for two days afterward.

    Doctors already know that heart attacks, especially severe ones, are a bit more common on Mondays generally – and in the morning, when blood is more clot-prone.

    It’s not clear why the time change would add to the Monday connection, Sanchez said, although probably something about the abrupt circadian disruption exacerbates factors such as high blood pressure in people already at risk.

    How to prepare for daylight saving time

    Go to bed a little earlier Friday and Saturday nights, and try to get more morning light. Moving up daily routines, like dinner time or when you exercise, also may help cue your body to start adapting, sleep experts advise.

    Afternoon naps and caffeine as well as evening light from phones and other electronic devices can make adjusting to an earlier bedtime even harder.

    Stay tuned: Some health groups, including the American Medical Association and American Academy of Sleep Medicine, have said it’s time to do away with time switches and that sticking with standard time year-round aligns better with the sun – and human biology.

    ___

    The Associated Press Health and Science Department receives support from the Howard Hughes Medical Institute’s Science and Educational Media Group. The AP is solely responsible for all content.

    Copyright © 2024 by The Associated Press. All Rights Reserved.

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    AP

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  • The Divoom Times Gate Has Five Tiny Digital Displays

    The Divoom Times Gate Has Five Tiny Digital Displays

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    Divoom’s funky-looking Times Gate gadget puts five tiny, programmable displays on your desktop. Each 128×128 resolution screen can display widgets like news, stock information, social media follower counts, and pixel art animations. It also offers a multi-screen digital clock.

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    Paul Strauss

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