Rotation Earth Science

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Earth, orbital speed

Earth's Rotation Sped Up on July 9—and We're Not Sure Exactly Why

On July 9, 2025, scientists at the International Earth Rotation and Reference Systems Service (IERS) reported that the Earth completed its rotation approximately 1.3 to 1.6 milliseconds faster than the standard 24-hour period. Moreover, this is expected to happen again on July 22 and August 5 this year.

· 3d · on MSN

Earth’s Rotation Is Speeding Up This Summer. Here’s Why

ExtremeTech on MSN · 4d

Earth's Rotation Is Picking Up Speed

Earth Is Spinning Faster and Days Are Getting Shorter, for Now

The planet’s rotation fluctuates as it travels around the sun, and measurements suggest we’re losing more than a millisecond ...

ZME Science on MSN4d

Earth Is Spinning Faster Than Usual. Scientists Aren’t Sure Why

Atomic clocks — among the most precise instruments humans have ever built — have been keeping track of Earth’s spin since the ...

AOL4d

Is Earth’s rotation speeding up? Why this July day may be ... - AOL

Until 2020, the shortest "length of day" ever recorded by atomic clocks was -1.05 ms, meaning that Earth completed one daily rotation in 1.05 milliseconds less than 86,400 seconds.

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