Can anyone explain to me the relationship between the time as displayed on our MP/3000's OS/2 Warp sessions and the hardware clock of the "real computer" hosted by the OS/2 Warp system?

This past weekend, as we were coming up after an outage, I decided I was tired of the HMC's time being off by an hour, especially since it didn't put a time zone on date stamps, like in the hardware error message logs. So, I manually fixed the time via the OS/2 clock "properties" page.

When I brought up our z/VM 4.4 system, its clock was off by exactly an hour which, alas, I didn't notice. When I came in last night to fix this gaffe, I went looking all over the OS/2 Warp system for some sort of timezone setting I could tweak so it'd know we were on EDT, not EST, and so the underlying GMT would be correct.(I hate systems whose nominal GMT times are wrong, especially those that are "local" time, but I digress....) Alas, I never could find a time zone setting in OS/2 for EDT vs. EST vs. Alaskan time or anything else, and it's been more than a decade since I used an OS/2 system regularly.

I ended up telling z/VM upon IPL that I had to change the hardware clock, so that now at least the mainframe GMT is correct, but I have no idea if I have just made a muddle of things or what.

Help?

Thanks,
Nick

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