A record of how time is decided. 2026-09-26T00:00:00Z https://sothic.org/ Sothiceditor@sothic.org CC BY 4.0 https://sothic.org/briefs/redefinition/ 2026-09-26T00:00:00Z 2026-09-20T00:00:00Z

The redefinition of the second is reported as a story of convergence. The primary documents record a consensus failure, a fourteen-sigma disagreement between the world's best clocks, and a published international standard value that was wrong by more than its own stated uncertainty.

https://sothic.org/briefs/cgpm-2026/ 2026-09-26T00:00:00Z 2026-09-20T00:00:00Z

The 28th General Conference on Weights and Measures meets at Versailles on 13–15 October. Three resolutions before it would end the leap second eight years earlier than the public timetable suggests, acknowledge that optical clocks disagree, and settle how time is kept on the Moon.