Standard time is the real time. Daylight Saving Time (DST) is a temporary summer adjustment of time by some countries. Universal Coordinated Time (UTC) is the standard in which all clocks of the world are adjusted based on their time zone. UTC does not observe DST
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Daylight saving time will end on Nov. 2, in 2025 at 2 a.m., at which time it will reset to 1 a.m.
Feb 5, 2019 — Our main finding is that, contrary to the policy's intent, DST increases electricity demand,” report lead researchers Matthew..…
Springing forward by an hour each March knocks the circadian rhythm out of alignment. A new model of the chronic health impacts argues for scrapping it entirely
Abandoning daylight saving time could prevent over 300,000 stroke cases a year in the US, study says
Abandoning the biannual switch to daylight saving time could prevent more than 300,000 strokes and slash over 2 million obesity cases a year, a new model using data from over 300 million Americans suggests.
Adopting permanent standard time (ST) takes less toll on our circadian rhythm — the body's rough 24-hour pacemaker — than daylight saving time (DST) or flicking between the time policies twice a year, the researchers found.
As a result of this reduced burden on our body clock, staying in ST year round could prevent almost 900,000 more cases of obesity and around 85,000 more strokes a year than remaining in DST year-round, the scientists concluded in a study published Sept. 15 in the journal PNAS. www.livescience.com/...
Standard time is likely better for the environment because most studies show Daylight Saving Time (DST) either has no significant environmental benefit or increases energy consumption and carbon emissions. While DST was intended to save energy, modern research indicates that the shift to longer daylight in the evening can increase demand for air conditioning and lead to more driving, canceling out any potential savings from reduced evening lighting.
Time for a change?
DST, which makes clocks wind forward by an hour every spring, was first introduced in the U.S. in 1918 to save fuel during World War I. It was later made federal law by the Uniform Time Act of 1966.
Our circadian rhythm regulates and coordinates the functioning of each cell in the body. This internal pacemaker is highly sensitive to light exposure, and disruptions to it — for instance, when people must wake up or stay awake during dark hours — creates a "circadian burden" that has been associated with a measurable increase in negative health outcomes, including heart attacks, strokes and car accidents around the time of the switchover.Livecience.com
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