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Tuesday, July 26, 2022

Leap Seconds Confuse Computers

 Unknown to me ....

Leap seconds cause chaos for computers — so Meta wants to get rid of them

Facebook’s parent company wants new ways to calculate time

By James Vincent  Jul 26, 2022  in TheVerge

Since 1972 there have been 27 leap seconds: additional seconds added to the world’s common clock — Coordinated Universal Time or UTC — to account for changes in the Earth’s rate of rotation. Historically, our concept of time is defined as a fraction of the length of the solar day, but as the Earth’s rate of spin is somewhat irregular (slowing and speeding based on various factors) it means solar time and universal time tend to drift apart. So, in order to compensate, we add leap seconds. And this really confuses computers. .... '  

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