🔬 Science Oct 16, 2026 · Kelly Kizer Whitt

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The world’s timekeepers announced on Thursday that leap seconds will no longer be added to clocks starting in May 2027. Image via Pexels/ Stas Knop.



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No more leap seconds



There’s big news from the world’s official timekeepers! Starting May 20, 2027, the international time standard will no longer require leap seconds to keep it closely aligned with Earth’s rotation.

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