On Fri, 24 Oct 2025 at 15:41, Watkins, Philip S. <[email protected]> wrote:
> Running an unsupported operating system 1.13 on a Z9 processor. No SYSPLEX > timer installed. > > > We are coming up on the time falling back the first Sunday in November. > We have a slight problem. > We are not able to shutdown and IPL the system to wait an hour but need > to change the time. We are thinking possibly > that issuing the TIMEZONE W.05.00.00 or set CLOCK=hh.mm.ss commands > should do the trick. > The basic important question is is your TOD clock set to GMT or to your local time? If GMT, then you'll probably be fine. I'm not sure anything much uses local time for logs and such or comparing the time of events. If local, then you probably need to actually change the clock, and that will make time go backwards for some things that may matter. Tony H. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
