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What is negative leap second ?



As a result of acceleration of the Earth’s rotation within the final 50 years, specialists focus on the so-called “negative leap second” erasure of seconds.

The Earth is now spinning unusually sooner, and in 2020, humanity had the shortest day ever recorded, in keeping with new information.

Officers who report world time are debating whether or not to delete a second from 24 hours to take this transformation under consideration.

It has been introduced that the ensuing leap day lasts 0.5 seconds shorter than 24 hours on common.

WHAT IS A NEGATIVE LEFT SECOND

The ‘negative leap second’, that means erasing seconds, was by no means used till now, however 27 ‘leap seconds’ have been added because the Seventies to maintain the atomic clock in keeping with Photo voltaic time.

For the reason that Nineteen Sixties, atomic clocks have stored extraordinarily fragile information of day size, revealing that previously 50 years the Earth has accomplished one revolution in lower than 24 hours in 86,400 seconds.

On July 19, 2020, the day was 1.4602 milliseconds shorter than precisely 24 hours. This was the shortest day since information started within the Nineteen Sixties.

The shortest day earlier than 2020 occurred in 2005, solely this high rank has been damaged an astonishing 28 occasions within the final 12 months.

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