Re: Daylight Savings Time

I have a progran which runs every Sunday morning at 2 AM. When it determines 
that it is the correct Sunday for DST it adds or subtracts an hour from the 
current time.

Albert York

----- Original Message -----
From: "B Hamren" <bhamren@xxxxxxxxx>
To: midrange-l@xxxxxxxxxxxx
Subject: Daylight Savings Time
Date: Thu, 22 Feb 2007 13:48:57 -0500


Every half year the owner comes in to work and switches the clock on our
iSeries box as well as some servers when the time changes. I understand he
has been doing this for much longer than the 2+ years I have been here. I am
looking into automating it this year. I am fine with the servers and even
our old W2K PC's. The iSeries, however, will need to be done manually as far
as I can see.

http://www-03.ibm.com/servers/eserver/iseries/software/globalization/dst.html
has IBM information for DST and the PTF's needed for it. It tells about the
correct QTIMZON system value for each place. In our case, in Ohio, I would
use QN0500EST3.

The problem with this is that quite some months ago, while doing some
reading in preparation for my V5R4 upgrade, I came across this system value,
which on our system is set to Q0000UTC with an offset of +00:00. After I
changed it to the "correct" value, some of our packages started giving bad
times. In particular our QualComm system for communicating with trucks went
wonky. I needed to change it back ASAP. I cannot change this system value
now.

As far as I can see, I don't need to install the DST PTF's and should just
leave things as they are and have my boss, the owner, change the time
manually.

Any thoughts? Thanks.

Blair Hamren


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