AS400 Time Zone changes

5 pts.
Tags:
AS/400
AS/400 date format
AS/400 TimeStamp
Where do i see the date and time that my time will be changed

Software/Hardware used:
V5R4

Answer Wiki

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I misunderstood the question at first. I think what you’re looking for is the WRKTIMZON command. Either specify your time zone in the TIMZON() parm or scroll down through the list to find yours. Use option 5=Display details. Scroll down the details to see start/end dates/times.

General info —

First, make sure that you have a decent PTF cume package installed. By now, your cume level shouldn’t be anything below 9321.

Then, run DSPSYSVAL QTIMZON.

That will tell you which time zone is configured on your system. If you tell us your geographical location, we can probably tell you what your time zone setting should.

You might also run DSPSYSVAL QTIME.

If you tell us what QTIME value is returned and also tell us what the actual time is at your location, we can probably tell if any configuration changes should be made.

In general, if your system time is correct and your time zone setting is correct and your PTFs are appropriate, your time will change for Daylight Saving Time whenever it’s defined to change at your location.

Tom

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  • Nickhutcheson
    There are a number of factors here. Scroll through the system values (WRKSYSVAL *All), QTIMADJ - is there a value in this field? A couple of years ago, there were several IBM ptf's that needed to be loaded for the time change. I think they handle it now. I used to just set two job schedule entries to change the value of QHOUR when the time changed. Nick
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  • TomLiotta
    QTIMADJ - is there a value in this field? QTIMADJ is unrelated to Daylight Saving Time. It is used by time management software to notify any other time management application that a time client is already active. Time management software doesn't (and shouldn't) make adjustments as large as the one-hour jumps when Daylight Saving Time begins and ends. Technically, it can violate various accounting and auditing regulations if it is relied upon to do so. You shouldn't need to change QTIMADJ. Your chosen SNTP software should make changes to it. If you end your SNTP software, it should set QTIMADJ to the default *NONE value to indicate that no adjustments are currently taking place. Tom
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  • Yank27
    [...] AS/400 time zone changes [...]
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