[mdavidn]

A leap second would be a change "less than 3 hours," so the job should still run according to the cited Debian man page.

Google's NTP servers smear leap seconds over an entire day, so UTC may appear continuous despite leap seconds.

https://developers.google.com/time/smear

[tshaddox]

Indeed. I only meant that simply switching to UTC doesn't actually reduce the necessity for the complex handling of scheduled events this article describes. It would just make these cases occur less frequently.