Spinning The Shortest Day Ever

When you said–as everyone who is truthful about it must admit they did say–that it seemed like August got here faster than ever this summer. . . well, it turns out you were right. August literally arrived more quickly than ever before because the Earth is spinning faster than ever, producing shorter days. In fact, scientists have determined that June 29, 2022 was the shortest day ever, clocking in at 1.59 millisecond shorter than the average day.

Our planet apparently started to rotate more quickly in 2016, and the quicker spinning seems to be accelerating, with 2022 seeing a speedier spin that 2020 and 2021. Scientists aren’t sure exactly why the quicker cycles began, but think it might have something to do with the tides.

The shorter days may require that atomic clocks and other devices be recalibrated to keep precise time. Because all of those lost milliseconds will add up, scientists have floated the idea of a “negative leap second” to account for the reduction in the length of days, employing the same concept that causes us to add a leap day to the calendar every four years. Engineers hate the idea and raise the possibility that messing with the clocks could have a devastating impact on technology and cause massive outages. Their position may remind some of the dire “Y2K” forecasts of what might happen when we hit the year 2000 that didn’t materialize, but I’m with the engineers on this one: if attempting a “negative leap second” could cause mass failures, panic, and the end of the civilization as we know it, I’d rather live with the fact that our clocks are off by a few milliseconds.

None of this should affect the proud reaction of those who admittedly did say (as I did) that August got here earlier this year. Isn’t it nice to know that your finely honed internal chronometer is working more reliably than our atomic clocks?

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