Re: tzfile Modifications for the United States
Martin McCormick <email@example.com> writes:
> Since the new energy bill was signed in to law, the existing
> tzfile information for all those parts of the United States that use
> DST needs to be tweaked so the automatic change will occur at the
> correct times. Will there be new tzfile sets we can download that
> have been modified or do we need to generate our own? The tzfile for
> any given time zone is a binary file containing constants that drive
> all the conversion routines for the timeofday functions. It occurred
> to me that now is as good a time as any to start patching since the
> new data set won't hurt a thing to install and have running.
The source of the zone files is in the glibc sources. There are files
in a syntax which is compiled by zic(8), the zone info compiler. You
can change the timezone description and compile yourself, using zic,
then install the results in /usr/share/zoneinfo.