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Euronews
Euronews
Nela Heidner

Global timekeeping rules change: leap second scrapped from 2027

The world’s official time standard will stop adding leap seconds from 20 May 2027. The General Conference on Weights and Measures (CGPM) decided to end the practice on Thursday 15 October 2026.

The resolution was adopted at the conference’s 28th meeting in Versailles, where delegates discussed the future of world time.

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