Time runs out for the leap second

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

𝐓𝐡𝐞 𝐫𝐞𝐜𝐨𝐫𝐝𝐢𝐧𝐠 𝐢𝐧𝐜𝐥𝐮𝐝𝐞𝐬:
• A new definition of the second;
• Continuous Coordinated Universal Time (UTC); and
• 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.’

• This topic was modified 5 hours, 53 minutes ago by Alex Pratt.