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  3. November 2011

RE: DST PTF(s) for V5R1?

checked with
Greenwich2000.com; their clock shows 18:12; since it's 12:12 here,
that's
-6:00 (of course, I ain't no math wizard, you understand).

Maybe not. But you got there before I did. :)
++
Dennis
++
"I don't want to achieve immortality through my work, I want to achieve it through not dying."
-- Woody Allen




Sent from my Galaxy tablet phone. Please excuse my brevity.
For any grammatic/spelling errors, there is no excuse.
++


"Jerry C. Adams" <midrange@xxxxxxxx> wrote:

Actually, according to the US Naval Observatory (referenced in the Tech
Document you sent), it's the opposite; i.e., the Central Time Zone's
DST's
UTC offset = -5:00, and Standard time is -6:00. Plus, checked with
Greenwich2000.com; their clock shows 18:12; since it's 12:12 here,
that's
-6:00 (of course, I ain't no math wizard, you understand).

In V5R1 it doesn't change automatically since there are no PTFs or
QTIMZON
system value. I guess someone set it when the system was first
installed
here and no one (including me) ever thought about it again.

Jerry C. Adams
IBM i Programmer/Analyst
If we do not succeed, we run the risk of failure. -Vice President Dan
Quayle
--
A&K Wholesale
Murfreesboro, TN
615-867-5070


-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Luis Rodriguez
Sent: Monday, November 07, 2011 10:51 AM
To: Midrange Systems Technical Discussion
Subject: Re: DST PTF(s) for V5R1?

Jerry,

I suppose that your QUTCOFFSET would have to change every time you go
through DST changes? So it would -06:00 during DST and -05:00 when
using
Standard time?

Regards,

Luis Rodriguez
IBM Certified Systems Expert - eServer i5 iSeries
--




On Mon, Nov 7, 2011 at 11:48 AM, Jerry C. Adams <midrange@xxxxxxxx>
wrote:

No such system value as QTIMZON in V5R1. There is a QUTCOFFSET which
is
set to -05:00 for us (Central Time). Is this correct? I ask because
the
National Institute of Standards shows that it should be -06:00 (
http://nist.time.gov/images/US_time_zones.gif).

Jerry C. Adams
IBM i Programmer/Analyst
It's like what Yogi said - What did Yogi say? -George Bell, Chicago
White
Sox
--
A&K Wholesale
Murfreesboro, TN
615-867-5070


-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:
midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Ingvaldson, Scott
Sent: Monday, November 07, 2011 9:48 AM
To: Midrange Systems Technical Discussion
Subject: RE: DST PTF(s) for V5R1?

What I saw in the History Log:

Job 681224/QUSER/QZRCSRVS ended on 11/06/11 at 01:59:34; .119 seconds
used;
Local system time has been adjusted.
Message ID . . . . . . : CPD1689 Severity . . . . . .
. :
00
Message type . . . . . : Information
Date sent . . . . . . : 11/06/11 Time sent . . . . .
. :
01:00:00

Message . . . . : Local system time has been adjusted.
Cause . . . . . : Local system time has been adjusted to
use a
Coordinated
Universal Time offset of -360 minutes due to reason code 2.
The
reason codes
and their meanings are as follows:
0 - See previous messages.
1 - A Daylight Saving Time transition has occurred.
2 - The time zone currently used by the system value
QTIMZON
has changed.

Cleanup has started.
Job 681473/QPGMR/QCLNUSRMSG started on 11/06/11 at 01:00:04 in
subsystem
QCTL


Regards,

Scott Ingvaldson
Senior IBM Support Specialist


-----Original Message-----
From: Dennis [mailto:iseries@xxxxxxxxxxxx]
Sent: Monday, November 07, 2011 9:14 AM
To: Midrange Systems Technical Discussion
Subject: RE: DST PTF(s) for V5R1?

Hopefully that "gradual" part is incorrect, and the system - like the
rest
of the non-personal computer systems in the world - merely
"decodes/represents" the time differently rather than actually
changing
any
clock. Nowadays, most systems use the applicable UCT offset to
determine
what the local time is/was.

Can anyone here confirm the internal process?
++
Dennis
++
"I'm a great believer in luck, and I find the harder I work the more
I
have of it."
-- Thomas Jefferson




Sent from my Galaxy tablet phone. Please excuse my brevity.
For any grammatic/spelling errors, there is no excuse.
++


"Jerry C. Adams" <midrange@xxxxxxxx> wrote:

An off-list reply mentioned that DST support may not have been added
until
V5R3 and enhanced in V5R4. And a search of PTF cover letters shows
nothing
older than 5.3.

The "nice" thing about having the system change the time, especially
in
the
fall, if I recall correctly, is that the adjustment is gradual, not
instantaneous like I did. A quick change could have an adverse
effect
on
things like journals. But ya do what ya gotta do, I guess.

Jerry C. Adams
IBM i Programmer/Analyst
Everything that can be invented, has been invented. -Charles Duell,
U.S.
Patent Office Director (1899)
--
A&K Wholesale
Murfreesboro, TN
615-867-5070

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Paul Nelson
Sent: Monday, November 07, 2011 8:05 AM
To: 'Midrange Systems Technical Discussion'
Subject: RE: DST PTF(s) for V5R1?

I don't recall which release introduced the link to an SNTP server,
but
you
could whip up a program to change the time for you. Stick it in the
job
scheduler to run on Sunday mornings, and have it read a 1 record
file
containing the actual dates to increase or decrease QHOUR. Plug in
the
dates
in January, and you're done for the year.



Paul Nelson
Office 512-392-2577
Cell 708-670-6978
nelsonp@xxxxxxxxxxxxx


-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Jerry C. Adams
Sent: Monday, November 07, 2011 7:25 AM
To: Midrange-L
Subject: DST PTF(s) for V5R1?

I'm pretty sure that this is a futile question, but, hey, nothing
ventured.



Yesterday afternoon (Sunday, 6 November) I checked our iSeries
machine,
which is running V5R1. The time had not changed. Since no one
works
on the
system on weekends, I changed the time manually. Is there a PTF
*still*
available for 5.1 regarding Daylight Savings Time? Our office admin
and I
were trying to remember if anyone had to do anything for DST back in
the
Spring, but I'm old and she's blonde, ergo neither of us could
recall
anyone
doing a manual change.



I suspect that I'm stuck with changing the time manually from here
on
out.



Jerry C. Adams

IBM i Programmer/Analyst

The game was closer than the score indicated. -Dizzy Dean on a 1-0
ball
game

--

A&K Wholesale

Murfreesboro, TN

615-867-5070



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