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Old 2nd August 2022
J65nko J65nko is offline
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Default Midnight comes a fraction sooner as Earth spins faster

From the "Leap Seconds Department : https://www.theguardian.com/science/...r-shortest-day

Quote:
If time feels tighter than ever of late, blame it on the revolution. On 29 June this year, Earth racked up an unusual record: its shortest day since the 1960s, when scientists began measuring the planet’s rotation with high-precision atomic clocks.

Broadly speaking, Earth completes one full turn on its axis every 24 hours. That single spin marks out a day and drives the cycle of sunrise and sunset that has shaped patterns of life for billions of years. But the curtains fell early on 29 June, with midnight arriving 1.59 milliseconds sooner than expected.

[snip]

To keep clocks in line with the planet’s spin, the International Telecommunication Union, a United Nations body, has taken to adding occasional leap seconds in June or December – most recently in 2016 – effectively stopping the clocks for a second so that the Earth can catch up. The first leap second was added in 1972. The next opportunity is in December 2022, although with Earth spinning so fast of late, it is unlikely to be needed.
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