Europe

Global timekeeping rules change: leap second scrapped from 2027

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 16/10/2026, 17:28:24 UTC.

Briefings

Global timekeeping organizations voted to scrap the addition of leap seconds to Coordinated Universal Time (UTC) starting in 2027, primarily due to perceived risks to computer systems and the potential for the first negative leap second. This decision marks a significant shift in international time standards, though the specific timeline and technical implementation details remain to be fully operationalized.

Key points

• Global timekeeping organizations voted to scrap the addition of leap seconds to UTC starting in 2027.
• The decision was driven by concerns over computer system risks and the prospect of the first negative leap second.

Context

International timekeeping bodies voted to end the practice of adding extra seconds to UTC, citing risks to computer systems and the prospect of the first-ever negative leap second. This decision marks a significant shift in international time standards, though the specific timeline and technical implementation details remain to be fully operationalized.

Limitations

The evidence is limited to the voting decision and its stated reasons. Specific implementation dates, technical specifications for the new UTC rules, and the exact timeline for the first negative leap second are not provided in the source.

Generated by Bittrees-hosted qwen35-2b sha256:aaf42c8b7c3c on 16/10/2026, 17:38:27 UTC. Based on publisher-provided feed evidence; may not cover the full original article. Check the source for details.

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