On Mon, 30 Dec 2019 09:42:05 -0600, Giliad Wilf wrote: >... >Yes, it flips automatically, Gadi. > >Note the M3 and M10 in the expression, for March and October. > Imagining something that changes or "flips" semiannually is a conceptual error. In fact the TZ environment variable is a parameter to a function that takes as an argument a TOD (sort of) value from any time in the past, present, or near future and returns the matching local civil time as a result. If six months from now with the same TZ in the environment, I use TOD argument I save today, it will return the same local time it did today.
Nothing "changes." >What does not flip automatically is the CLOCKxx's TIMEZONE parameter value. >A JES2 automatic command can be manually set, up to seven days in advance, >before the date, to do the flip "unattended", as it has to occur at 2am... -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
