Space & Science

June 29, 2022 was the shortest day in Earth’s history due to a slight “wobble”

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Wednesday, June 29, 2022 was slightly shorter than any other day by just 1.59 milliseconds, all due to a slight “wobble” of the Earth, according to scientists.

An average day lasts 86,400 seconds, or 24 hours, but timanddate.com reported that June 29 was 1.59 milliseconds shorter than that. On this day, the Earth made a revolution in a fraction of a second in less than 24 hours.

This slight “wobble” made today the shortest day on record since the beginning of atomic clocks. According to Insider it is not uncommon for the Earth to “wobble” because it is not a perfect sphere.

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On June 29, 2022, the shortest day on record was 1.59 milliseconds, due to a slight "oscillate" of the earth.

June 29, 2022 was 1.59 milliseconds the shortest day on record, due to a slight “wobble” of the earth.
(NASA)

Other causes of the Earth’s “wobble” are ocean tides, moon gravity, climate and processes in the Earth’s inner or outer layers, according to Timeanddate.com. The site reported that the Earth has accelerated over the years. In 2020, he reported that the Earth had 28 of its shortest days since measurements with atomic clocks began in the 1960s. Now, in 2022, the Earth is still spinning faster with the shortest day recorded on June 29.

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Many scientists associate change in speed at something called the “Chandler Wobble”, i.e. when there is a change in the rotation of the Earth on the axis. Insider reported that the first “Chandler Wobble” was spotted in the late 1880s by Seth Carlo Chandler.

Even though the “wobble” shortened Wednesday’s weather, the event doesn’t change much in our day-to-day life.

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