Slowing Earth’s Rotation: Negative Leap Seconds and the Future of Timekeeping

Negative leap seconds could be implemented to correct time in response to climate change – Physics World

As the Earth’s rotation is gradually slowing due to climate change, the need for ‘negative leap seconds’ may become more frequent in the future. These adjustments would involve subtracting a second from the global time scale to keep it in sync with the length of a day.

Researchers are exploring the possibility of introducing negative leap seconds to compensate for these changes, caused by factors such as glacier melting and sea level rise. This would mean that adjustments to timekeeping systems may be necessary in order to account for these changes.

It is important for scientists and timekeepers to consider these potential impacts when developing timekeeping systems and standards. By understanding the relationship between climate change and time correction, researchers can better prepare for the challenges that may arise in the future. This will help ensure that accurate timekeeping is maintained despite the changing environmental conditions.

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