On Mon, 10 Sep 2012 10:39:50 -0700, Charles Mills wrote:

>Thanks.
>
>http://www-01.ibm.com/software/awdtools/hourglass/features/ 

... or ATF, CA Date Simulator, Simulate 2000, SIM-Date, SoftDate, 
Xpediter/Xchange, ...
http://www.google.com/search?q=date+simulation+y2k+z/os

>
>I'd still be better off politically with a "hack" solution than a vendor 
>product (even vendor = IBM).
>
>Have not yet looked but I wonder where in z/OS the offset is stored. I suspect 
>it is in a system-wide data area, not region-specific, unfortunately.
>
Yes, CVT => CVTLDTO, CVTLSO, CVTTZ


Try the _TZ or TZ environment variable if the application uses the C/C++ 
run-time library
http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/cbcpg1c0/8.4.1

//STEP1 EXEC PGM=REALPROG,PARM=('ENVAR("_TZ=EST5EDT")/parms for REALPROG')
or
//CEEOPTS DD  * 
ENVAR('TZ=CET-1CEST,M3.5.0/2:00,M10.5.0/3:00')          
/* 


Norbert Friemel

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