Re: time zone for strftime

[david kerns]

it uses the standard environment variable TZ. An example on the same link
you sent shows it
 being used in conjunction w/ strftime.



On Wed, Jul 21, 2021 at 6:45 PM Bob Proulx <bob@proulx.com> wrote:

> Peng Yu wrote:
> > https://www.gnu.org/software/gawk/manual/html_node/Time-Functions.html
> >
> > I don't see a way to specify a time zone for strftime when converting
> > an epoch time to the time zone time. Is there a way to do it? Thanks.
>
> The manual says this:
>
>     'strftime('[FORMAT [',' TIMESTAMP [',' UTC-FLAG] ] ]')'
>          Format the time specified by TIMESTAMP based on the contents of
> the
>          FORMAT string and return the result.  It is similar to the
> function
>          of the same name in ISO C. If UTC-FLAG is present and is either
>          nonzero or non-null, the value is formatted as UTC (Coordinated
>          Universal Time, formerly GMT or Greenwich Mean Time).  Otherwise,
>          the value is formatted for the local time zone.  The TIMESTAMP is
>          in the same format as the value returned by the 'systime()'
>          function.  If no TIMESTAMP argument is supplied, 'gawk' uses the
>          current time of day as the timestamp.  Without a FORMAT argument,
>          'strftime()' uses the value of 'PROCINFO["strftime"]' as the
> format
>          string (*note Built-in Variables::).  The default string value is
>          '"%a %b %e %H:%M:%S %Z %Y"'.  This format string produces output
>          that is equivalent to that of the 'date' utility.  You can assign
> a
>          new value to 'PROCINFO["strftime"]' to change the default format;
>          see the following list for the various format directives.
>
>