Winter clock issues in linux

Sun Sep 8 00:21:30 IDT 2013

What puzzles me in this whole thing is that it seems to me tzdata
updates should be available to all versions regardless of their
"production" state, but it seems a lot of distros are locked to
specific versions....

2013/9/7 Shlomo Solomon <shlomo.solomon at gmail.com>:
> I just checked my Mageia 3 and found that the files are from 2013c.
>
> [solomon at shlomo1 ~]$ /usr/sbin/zdump -v Asia/Jerusalem |grep 2013
> Asia/Jerusalem  Thu Mar 28 23:59:59 2013 UTC = Fri Mar 29 01:59:59 2013 IST isdst=0
> Asia/Jerusalem  Fri Mar 29 00:00:00 2013 UTC = Fri Mar 29 03:00:00 2013 IDT isdst=1
> Asia/Jerusalem  Sat Oct  5 22:59:59 2013 UTC = Sun Oct  6 01:59:59 2013 IDT isdst=1
> Asia/Jerusalem  Sat Oct  5 23:00:00 2013 UTC = Sun Oct  6 01:00:00 2013 IST isdst=0
>
> I then updated to 2013d from Cauldron (I wonder why no "production" version of 2013d). Now it looks OK.
>
> [solomon at shlomo1 ~]$ /usr/sbin/zdump -v Asia/Jerusalem |grep 2013
> Asia/Jerusalem  Thu Mar 28 23:59:59 2013 UTC = Fri Mar 29 01:59:59 2013 IST isdst=0
> Asia/Jerusalem  Fri Mar 29 00:00:00 2013 UTC = Fri Mar 29 03:00:00 2013 IDT isdst=1
> Asia/Jerusalem  Sat Oct 26 22:59:59 2013 UTC = Sun Oct 27 01:59:59 2013 IDT isdst=1
> Asia/Jerusalem  Sat Oct 26 23:00:00 2013 UTC = Sun Oct 27 01:00:00 2013 IST isdst=0
>
>
>
>
> On Sat, 7 Sep 2013 21:24:19 +0300
> "Amichay P. K." <am1chay.p.k at gmail.com> wrote:
>
>> tnx, my machine is ok :)
>>
>>
>> 2013/9/7 Hetz Ben Hamo <hetz at hetz.biz>
>>
>> > Shimi, 2013-c2 updates (available for centos 5.x/rhel 5.x) should be
>> > sufficient too.
>> >
>> >
>> > תודה,
>> > *חץ בן חמו*
>> > "*חץ ביז <http://www.hetz.biz>*"-  שרותי פרילאנס לניהול ותחזוקת שרתי
>> > Linux ופתרונות וירטואליזציה.
>> > טלפון:  054-5297156
>> > אתם מוזמנים לבקר אותנו בבלוג היעוץ שלנו <http://vps-consulting.info>
>> > [image: גם אתר זה מתארח ב-חץ ביז שרתי VPS]
>> > *
>> > *
>> >
>> >
>> > 2013/9/7 shimi <linux-il at shimi.net>
>> >
>> >>  On Sat, Sep 7, 2013 at 8:45 PM, Geoff Shang
>> >> <geoff at quitelikely.com>wrote:
>> >>
>> >>> Hi,
>> >>>
>> >>> Apologies for not reading the rest of my mail but I wanted to
>> >>> answer this.
>> >>>
>> >>>
>> >>> On Sat, 7 Sep 2013, Amichay P. K. wrote:
>> >>>
>> >>>  Will the Israeli winter clock changes have any effect in linux?
>> >>>> Do you consider it safer to change the location to Greece?
>> >>>> http://www.themarker.com/**technation/1.2111316<http://www.themarker.com/technation/1.2111316>
>> >>>>
>> >>>
>> >>> I'm running Debian Squeeze and the timezone database is fine.
>> >>> But I do subscribe to Debian updates.
>> >>>
>> >>> If you want to be sure, run this command:
>> >>>
>> >>> tzdump -v Asia/Jerusalem |grep 2013
>> >>>
>> >>> It should output something like this:
>> >>>
>> >>> Asia/Jerusalem  Thu Mar 28 23:59:59 2013 UTC = Fri Mar 29
>> >>> 01:59:59 2013 IST isdst=0 gmtoff=7200
>> >>> Asia/Jerusalem  Fri Mar 29 00:00:00 2013 UTC = Fri Mar 29
>> >>> 03:00:00 2013 IDT isdst=1 gmtoff=10800
>> >>> Asia/Jerusalem  Sat Oct  5 22:59:59 2013 UTC = Sun Oct  6
>> >>> 01:59:59 2013 IDT isdst=1 gmtoff=10800
>> >>> Asia/Jerusalem  Sat Oct  5 23:00:00 2013 UTC = Sun Oct  6
>> >>> 01:00:00 2013 IST isdst=0 gmtoff=7200
>> >>>
>> >>
>> >> And if you have Geoff's output, then your clock would be moving at
>> >> the wrong time[1] :)
>> >>
>> >> This is with a really up to date timezone data:
>> >>
>> >> $ /usr/sbin/zdump -v /etc/localtime | grep 2013
>> >> /etc/localtime  Thu Mar 28 23:59:59 2013 UTC = Fri Mar 29 01:59:59
>> >> 2013 IST isdst=0
>> >> /etc/localtime  Fri Mar 29 00:00:00 2013 UTC = Fri Mar 29 03:00:00
>> >> 2013 IDT isdst=1
>> >> /etc/localtime  Sat Oct 26 22:59:59 2013 UTC = Sun Oct 27 01:59:59
>> >> 2013 IDT isdst=1
>> >> /etc/localtime  Sat Oct 26 23:00:00 2013 UTC = Sun Oct 27 01:00:00
>> >> 2013 IST isdst=0
>> >>
>> >>  (you can use "Asia/Jerusalem" too, but make sure /etc/localtime
>> >> indeed contains the content of /usr/share/zoneinfo/Israel or
>> >> /usr/share/zoneinfo/Asia/Jerusalem - or a symlink to one of them.)
>> >>
>> >> You need version *2013d* of the database if you want the latest
>> >> Israeli law.
>> >>
>> >> -- Shimi
>> >>
>> >> [1]
>> >> http://www.justice.gov.il/NR/rdonlyres/FCE198C8-66FD-4AA8-AB9D-958264583207/41529/2401.pdf#page=8
>> >>
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>> >>
>> >>
>> >
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>>
>>
>
>
>
> --
> Shlomo Solomon
> http://the-solomons.net
> Sent by Claws Mail 3.9.0 - KDE 4.10.2 - LINUX Mageia 3
>
>
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