SMH
·australia
·2 hours ago
International Bureau abolishes leap second starting 2027, ending 52-year practice
The International Bureau of Weights and Measures voted Thursday to abolish the leap second, effective 2027, ending a practice used since 1972 to synchronize clocks with Earth's rotation. The shift addresses risks posed by a potential negative leap second, as Earth's rotation has accelerated since the 2000s.
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Published 17 Oct 2026, 21:00 UTC · Updated 17 Oct 2026, 21:10 UTC
Summary by OZbrief Editorial. Original report: SMH. Editorial policy · Corrections
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