The 'leap second' could disappear. How a minor time adjustment became a major problem

CBC - Oct 15, 2026

For more than 50 years, humanity has used "leap seconds" to keep our clocks aligned with the rotation of the Earth. On Thursday, an international time-keeping body in France is expected to do away with leap seconds and let the clocks slip until they're out of alignment by a full hour — meaning it could be centuries, or even millennia, before another tweak is needed.

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