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Earth's fastest rotations — and shortest days — are predicted for this summer. Here's what to know.
The Earth is predicted to make its fastest rotations on July 9, July 10, July 22 and August 5, according to a Time and Date ...
For a few days this summer, your days will be just a smidge shorter
People already experienced a shorter day on July 9 — but maybe didn’t know it because it’s only 1.3 milliseconds faster. The fastest day since the introduction of the atomic ...