On 2016-12-28, at 13:22, R.S. wrote:

> I'm trying to find out the list of valid timezone abbreviations in z/OS Unix.
> I found I can provide any code (i.e. TZ=STUPID), but invalid code means UTC.
> 
> I would like to set it up to Poland, but no CET or CEST is valid.
>  

> Any clue?
>  
From:
http://www.ibm.com/support/knowledgecenter/SSLTBW_2.2.0/com.ibm.zos.v2r2.bpxa500/bpxa50065.htm

Format
TZ= standardHH[:MM[:SS]] [daylight[HH[:MM[:SS:]]] 
[,startdate[/starttime],enddate[/endtime]] ]
    ...

In contrast, on any of several desktops,

505 $ date; TZ=Europe/Warsaw date
Wed Dec 28 13:46:53 MST 2016
Wed Dec 28 21:46:53 CET 2016

Among the choices?
504 $ ls /usr/share/zoneinfo/Europe
Amsterdam   Busingen     Kiev        Moscow      Saratov     Vatican
Andorra     Chisinau     Kirov       Nicosia     Simferopol  Vienna
Astrakhan   Copenhagen   Lisbon      Oslo        Skopje      Vilnius
Athens      Dublin       Ljubljana   Paris       Sofia       Volgograd
Belfast     Gibraltar    London      Podgorica   Stockholm   Warsaw
Belgrade    Guernsey     Luxembourg  Prague      Tallinn     Zagreb
Berlin      Helsinki     Madrid      Riga        Tirane      Zaporozhye
Bratislava  Isle_of_Man  Malta       Rome        Tiraspol    Zurich
Brussels    Istanbul     Mariehamn   Samara      Ulyanovsk
Bucharest   Jersey       Minsk       San_Marino  Uzhgorod
Budapest    Kaliningrad  Monaco      Sarajevo    Vaduz

What the hell is wrong with IBM?  POSIX is no excuse.  The true excuse
is IBM has a captive clientele who can't afford to switch.  It's a
valid business decision; only the customers suffer until z/OS meets
a well-deserved end.

(But has anyone submitted an RFE to implement the Olson timezone
database?  What support would it get?)

-- gil

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