HACKER Q&A
📣 Asmod4n

Are systems ready for the first negative leap second?


It’s been 10 years since we had the last leap second and it looks like we will get the first negative one soonish. Are systems ready for that?


  👤 wmf Accepted Answer ✓
Systems are absolutely not ready. Leap seconds are a bad idea and negative leap seconds are worse. Just don't do it and let the drift cancel out.

👤 d00d0ff000
NTP.

By any other standard, most manually set clocks are up to a full minute off all the time.


👤 Bender
Google's proposal is a smear. [1] Most time servers do not use smear. No idea what behavior it may introduce in places where sub-second time is important. Curious if all these bugs [2] were fixed.

[1] - https://developers.google.com/time/smear

[2] - https://rivassec.com/leap-second-chaos-2012.html