Climate change is messing with how we measure time —study

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In a strange twist, global warming could help timekeepers by delaying the need for history's first 'negative leap second'—a minute with only 59 seconds—by three years, a study suggested.

PARIS — Struggle to wrap your head around daylight savings? Spare a thought for the world's timekeepers, who are trying to work out how climate change is affecting Earth's rotation—and in turn, how we keep track of time.In a strange twist, global warming could even help out timekeepers by delaying the need for history's first "negative leap second" by three years, a study published on Wednesday suggested.

"Many computer programs for leap seconds assume they are all positive, so these would have to be rewritten," he told AFP.Partly using satellite data, Agnew looked at the rate of the Earth's rotation and the effect of its slowing core for the new study published in the journal Nature.He determined that if not for climate change, a negative leap second might have needed to be added to UTC as soon as 2026.

 

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