Why Earth Is Rotating Extra Fast This Summer, Shortening Days by Milliseconds As Earth spins through space, its rate of rotation changes. Here’s why ...

Life & Culture Earth’s rotation will speed up for 3 days this summer. Here’s what that means Published: Jul. 09, 2025, 4:09 p.m.

While the Earth’s rotation changes over cosmic timescales, it also fluctuates on daily ones. We all know that a day lasts 24 hours, or 86,400 seconds, but that’s not perfectly accurate.

Earth is spinning faster this summer, leading astronomers to notice that some days have clocked in at slightly less than the standard 24 hours. This stack composite photo shows a paddy rice field ...

Earth is spinning faster this summer, making the days marginally shorter and attracting the attention of scientists and timekeepers.

The science behind why the Earth will spin just a little bit faster on July 9, July 22, and August 5, this year.

Centuries of data show that the speed of Earth’s rotation has never been steady. There have been slow periods, like the early 1990s or 1970s, when the length of a day regularly surpassed 24 ...

Nation World Earth will spin faster than normal on Wednesday, but blink and you'll miss it Earth is expected to complete a full rotation on July 9 roughly 1.30 milliseconds faster than usual.

Earth is spinning faster this summer, making the days marginally shorter and attracting the attention of scientists and timekeepers.