[time-nuts] viewing the upcoming leapsecond with XDaliClock
hmurray at megapathdsl.net
Thu Jul 10 03:10:00 EDT 2008
> I'm new to the list and would like to ask about displaying the
> upcoming leap second on a linux workstation.
Stick around. There will be a big party.
You might check the archives to see the discussion from the last one.
> I've done quite a bit of scroogling in an attempt to determine how
> the time is kept in the kernel and how it makes it's way through
> to userspace for applications like date and xdaliclock to access.
The kernel works in UTC.
Conversion to/from local time is done in userspace, usually in the c library.
Daylight time is a nightmare because politicians keep changing the rules.
There is a project that tries to keep track of things. Essentially, all of
the open source projects use it.
The default conversion info is stored in /etc/localtime
There is an environment variable, TZ (I think) so you can use your preference
rather than the default. This might be handy if you dial in to a system in
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