On Fri 24 Mar 2023 at 19:10:49 (-0400), Stefan Monnier wrote: > > That works great for the Live OS, but not for the fixed-disk OS. If > > the Live OS sets the HW clock to local upon shutdown, but the fixed-disk > > OS expects the HW clock to be UTC, then the fixed-disk OS is wrong > > every time it boots after the Live OS. > > AFAIK the Linux kernel is pretty careful not to change the *hour* of the > hwclock: when using NTP, it will tweak the seconds to keep the hwclock > in sync with the rest of the world, but leave the hours alone, so as to > preserve the timezone in use, regardless if it's the right one (UTC) or > something else.
Minutes, rather than hours, I would have thought. After all, there are some crazy TZs out there, and even crazier daylight savings schemes. > I assume GNU/Linux distributions like Debian are similarly careful, > since dual booting with a Windows install that doesn't use UTC for the > hwclock was a very common use case at least some years ago. Cheers, David.
