NewsMarkets

Science

World Timekeepers Abolish Leap Seconds, Adopting 'Leap Hour' System

The International Bureau of Weights and Measures voted to replace leap seconds with a leap hour to prevent computer infrastructure failures.

10 publishers · 11 articles · first seen 14 Oct 2026 · updated 19d ago

Headline and summary written by an AI model from the linked articles; not reviewed by a person. How this was made

This story has stopped developing; this page is its permanent record. More from that day

The story so far

10 publishers have covered this in 11 articles since 14 Oct 2026. www.theregister.com published first, on 14 October at 16:30 UTC; Nature followed 7h 30m later. The most recent article, from www.theregister.com, appeared on 18 October at 23:01 UTC.

Outlets reporting it: Nature (major outlet), Al Jazeera – Breaking News, World News and Video from Al Jazeera (major outlet), The Verge (major outlet), The New York Times (major outlet), Science Latest (major outlet), www.theregister.com, Scientific American, cnet.com, New Scientist, Latest from Tom's Hardware.

No prediction market is linked to this story at the moment. We match each story to Polymarket and Kalshi markets by what they ask, and show one only when it is close enough to be useful; if a market on this topic opens, it will appear here. Meanwhile, browse every market we track or see how stories and markets are matched.

Sources

Every article we clustered into this story. Headlines link to the publisher.

  1. The Leap Second Is No More Science Latest ·
  2. The Leap Second Has Been Canceled The New York Times ·
  3. Time is a-changin’: say goodbye to the leap second The Verge ·
  4. Clock ticking for leap second: Why timekeeping could change forever Al Jazeera – Breaking News, World News and Video from Al Jazeera ·
  5. World's timekeepers upend how they adjust time to avoid catastrophic 'negative second' Nature ·
  6. Time Lords kill leap seconds, before they become the new Y2K bug www.theregister.com
Show 5 more sources
  1. Leap seconds being retired next year to avoid wreaking havoc on computer systems Latest from Tom's Hardware
  2. Scientists have just voted to abolish leap seconds New Scientist
  3. World Timekeepers Decide to Kill the Leap Second cnet.com
  4. Scientists vote to end leap seconds, redefining how the world keeps time Scientific American
  5. Leap seconds face judgment day as time lords prepare to vote www.theregister.com

In this story

  • International Bureau of Weights and Measures
  • BIPM
Embed this story

Paste this into any web page to show the live odds, with a link back here.