Thursday, 15 October 2026 Updated 20 min ago
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Time’s up for the leap second as scientists swap it for the leap hour

It’s time, they say, for the leap hour.

Image accompanying the story: Time’s up for the leap second as scientists swap it for the leap hour
Image: Photograph: coward_lion/Getty Images · via The Guardian

The Guardian reports: It’s time, they say, for the leap hour.

Delegates from 69 countries approve clock changeover after decades of debate – but switch may not take effect for thousands of years After decades of discussion, quibbling and worrying about clocks in computer systems, the world’s official timekeepers have voted to replace what many viewed as a tiresome correction: the leap second.

This science story centres on France. Names and organisations mentioned in the coverage include International Bureau of Weights and Measures.

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Key details

Location
France · Europe
Reported by
The Guardian
First reported
Key names
International Bureau of Weights, Measures
Section
Science
Figure cited
Delegates from 69 countries cast their votes on Thursday at a conference in France of the International Bureau of Weights and Measures, which ensures the world sticks to the same standards of time, weight, distance… (The Guardian)

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Read the full story at The Guardian

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