ScienceClock ticking for leap second: Why timekeeping could change forever

Timekeepers are meeting near Paris on Thursday to debate whether to abolish the leap second by 2027. Added periodically to Coordinated Universal Time since 1972 to keep clocks aligned with Earth’s rotation, leap seconds have created difficulties for financial markets, data centres and other systems requiring precise timing. The meeting will also consider proposals on how a second is defined.

leap secondtimekeepingEarth's rotationBIPM

AAl Jazeera★★★☆☆2026-10-15 07:16Original