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The last leap second was applied on 31 Dec 2016 and all have been positive increments, but with the increasing possibility of a future negative leap second this adjustment has been discontinued by a resolution of the international body BIPM (Bureau International des Poids et Mesures).
https://www.bipm.org/en/cgpm-2026/resolution-5
https://www.bipm.org/en/-/cgpm-2026-resolutions-adopted
The full session can be viewed here:
https://www.youtube.com/watch?v=TptRsUua2WE
๐๐ก๐ ๐ซ๐๐๐จ๐ซ๐๐ข๐ง๐ ๐ข๐ง๐๐ฅ๐ฎ๐๐๐ฌ:
โข A new definition of the second;
โข Continuous Coordinated Universal Time (UTC); and
โข Time on the Moon.(Continuous UTC is discussed from minute 42 into the recording)
‘These discussions addressed the evolving requirements of time and frequency metrology, from advances in measurement science to the development of international reference time scales.’
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