TNPSC Thervupettagam

Negative leap second

August 5 , 2022 844 days 902 0
  • Planet Earth made rotation on its axis in less than 24 hours.
  • On July 29, it broke its own record for shortest day, by completing the rotation in less than 1.59 milliseconds.
  • So, this day on earth was shorter by 1.59 milliseconds, than usual 24-hour day.
  • Earlier, the shortest day on Earth was recorded on July 19, 2020 since the 1960s.
  • In 2020, Earth’s rotation was shorter by 1.47 milliseconds, than the usual 24-hour day.
  • Earth continued to rotate faster in 2021 as well.
  • However, it did not create any new records.

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