On Wed, Jun 19, 2024 at 7:09 AM Greg Wooledge <g...@wooledge.org> wrote:
>
> On Tue, Jun 18, 2024 at 23:09:04 -0500, David Wright wrote:
> > On Tue 18 Jun 2024 at 07:07:36 (-0400), Greg Wooledge wrote:
> > > On Mon, Jun 17, 2024 at 23:54:03 -0500, David Wright wrote:
> > > > What should I call the timezone of my computer when it's booted up and
> > > > no users are logged in?
> > >
> > > Daemons will almost always use the system's default time zone (the one
> > > specified by /etc/localtime or /etc/timezone).
> > >
> > > It's *theoretically* possible for some daemons to be configured to use
> > > a different time zone, or to be hard-coded to use UTC.  I've never seen
> > > this, but it could be done.
> >
> > In view of that, I think it's reasonable to drop the "default",
> > and go with "system time zone", ie the time zone that the system
> > clock it set to.
>
> I strongly disagree.  The system clock is kept on "epoch time", which
> is the number of seconds since midnight, January 1, 1970 UTC.
>
> The system clock doesn't have a time zone of its own.  It just gets
> converted to a time and date within any given time zone on demand.

++.

The sharp edge is how the RTC clock is set - UTC or localtime. Also
see <https://wiki.debian.org/DateTime>.

Jeff

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