Shortest day in history: Earth completes fastest rotation ever June 29 - USA TODAY

The day of June 29 was 1.59 milliseconds shorter than usual, according to the National Physical Laboratory in England.

DETROIT — The days are indeed getting shorter. Earth had its shortest day ever recorded on June 29, with the day ending 1.59 milliseconds sooner than usual, according to the National Physical Laborat… [+1601 chars]

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