Why Is Earth Spinning Faster?
Worldwide
Tue, 05 August 2025 Tuesday, 05 August 2025
Science/Technology
2 - 3 minutesOn 5 August 2025, Earth spun slightly faster than usual, making the day 1.51 milliseconds shorter than the standard 24 hours. While the difference is too small to notice, scientists say it is part of a puzzling trend that has been happening since 2020. Some believe it may be caused by natural changes in Earth’s core, oceans, or atmosphere, but no clear answer has been found yet.
These small shifts could have bigger effects over time. Systems like GPS and global communications rely on extremely precise timekeeping. If Earth’s rotation keeps speeding up, experts warn that international time systems might need adjusting to stay accurate.
There may also be effects on living things. Animals and humans follow natural rhythms linked to the day-night cycle. Some scientists are asking whether shorter days could influence sleep, behaviour, or health. The answers are still unclear, but the research continues.
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