World's timekeepers upend how they adjust time to avoid catastrophic 'negative second'
Nature, Published online: 15 October 2026; doi:10.1038/d41586-026-03329-zGovernments have voted to abolish the leap second immediately and to replace it with a leap hour.
<p>Nature, Published online: 15 October 2026; doi:10.1038/d41586-026-03329-zGovernments have voted to abolish the leap second immediately and to replace it with a leap hour.</p>