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Earth's Rotation Speeds Up: Shortest Day Imminent!

7/3/2025

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Summary

Story summary

Earth's rotation is speeding up, and we might experience the shortest day ever in just a few weeks. Astrophysicist Graham Jones warns that on July 9, July 22, or August 5, time could shrink by up to 1.51 milliseconds. This mysterious acceleration, first noted in 2020, poses potential challenges for GPS and global timekeeping systems.

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Story summary

Earth's rotation is speeding up, and we might experience the shortest day ever in just a few weeks. Astrophysicist Graham Jones warns that on July 9, July 22, or August 5, time could shrink by up to 1.51 milliseconds. This mysterious acceleration, first noted in 2020, poses potential challenges for GPS and global timekeeping systems.