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Length of the day – The daily blog of behavioral and cognitive economics

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Length of the day – The daily blog of behavioral and cognitive economics

Why Do We Need a Leap Second?

Yesterday was shorter than usual. Because the earth was rotating unusually fast, our day was 24 hours minus 1.42 milliseconds. The day lasted 23.9999996054 hours. The other shorter days this summer will be July 22 and August 5. Meanwhile, July 5, 2024 was a record setter when the earth’s rotation was 1.66 milliseconds faster than the standard 86,400 seconds. According to Time and Date, during the 1870s, the days were shorter while in the early 1900s, a slower earth meant they were longer ….[READ]

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