June 29 this year was the shortest time ever recorded since the measurements began. That’s because it took the Earth 1.59 milliseconds less than 24 hours to perform its rotation (when the planet rotates on its axis from west to east).
The last record was from 2020, when, according to the National Institute of Standards and Technology (NIST), the Earth’s rotation accelerated to the point where it broke the previous record for the shortest day by 28 times, set in 2005. It was 2020 on July 19, when the planet completed its rotation faster by 1.4602 milliseconds off the average of 86,400 seconds.
According to the site outer spaceCoordinated Universal Time (UTC), the official method for international timekeeping, is based on atomic clocks, which measure time by the movement of electrons in atoms which has been cooled to almost absolute zero. Atomic clocks are accurate and fixed.
Some experts believe that climate change, which is causing the polar ice caps to melt and refreeze on the planet’s highest mountains, may contribute to reducing the day, by increasing the speed of the planet’s movement.
What happens if the Earth’s speed increases?
Scientists warn that if the Earth’s rotational rate continues to increase, it may be necessary to remove one second of atomic clocks. This decision will be crucial for information technology (IT) systems, but it still faces many uncertainties because at least the age of the Earth may be.
According to Meta researchers, a “one-second skip” in Earth time would have serious repercussions for hardware and software infrastructures that rely on timers or schedulers.
This situation is similar to theories that emerged at the turn of the millennium, in which many believed that computers would not be able to handle the changing clocks from 1999 to 2000.
Infrastructure is probably your biggest problem, but with planning, you should remove most clock and date related issues from computers.
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