timezone command

JJB Barbish3 at adelphia.net
Thu Apr 15 21:29:00 PDT 2004

I know how to set timezone, date and time.

I am looking for command to display on the console screen the
systems timezone in this kind of format "-00:00"

Is there such an command or some way to get this info?

In an perl script I tried  $timezone= $ENV{TZ}  and I did not get
00:00 format which I was looking for.

-----Original Message-----
From: Greg 'groggy' Lehey [mailto:grog at FreeBSD.org]
Sent: Thursday, April 15, 2004 11:58 PM
Cc: freebsd-questions at FreeBSD. ORG
Subject: Re: timezone command

On Thursday, 15 April 2004 at 22:15:06 -0400, JJB wrote:
> Time zone has been set during sysinstall.
> Is there an console command to display my configured time zone
> format +05:00?

Not quite like that (are you in Pakistan?).  The problem is that
zones aren't that simple: they contain information about daylight
savings time, as well as implicit historical information that gets
lost when you reduce it to a number.  Admittedly, Pakistan doesn't
seem to have DST, but that's the way it is.

In general, the system time zone is stored in the file
You can set it with:

  # cp /usr/share/zoneinfo/Asia/Karachi /etc/localtime
  # date
  Fri Apr 16 08:55:27 PKT 2004

If you remove it, it defaults to "GMT" (really UTC):

  # rm /etc/localtime
  # date
  Fri Apr 16 03:55:37 GMT 2004

Even then, you can specify the time zone explicitly with the TZ
environment variable:

  # TZ=Asia/Karachi date
  Fri Apr 16 08:55:45 PKT 2004

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