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Re:No leap second will be introduced at the end of June 2026 by leni536 on Tuesday March 10, 2026 @03:56AM (#47320257)
I meant unix and NTP times, which are supposedly just monotonic numbers marching forward (except for leap seconds), not the UTC representation over abstract time.

I know we just get a 60th second in a minute. What unix and NTP timestamps do (or originally did) was repeating a second. Then we got other hacks to keep monotonicity, like smearing. Not without tradeoffs.

Re:No leap second will be introduced at the end of June 2026 by 5-0 on Wednesday March 11, 2026 @07:10PM (#47343717)
Thanks for explaining! It's indeed crazy that "this is still a thing".

(I regret I did not put in the research prior to answering to your comment: https://www.meinbergglobal.com/english/info/leap-second.htm#... )