Daylights Savings time

Neil,

You are generally correct about the need for modification in Europe,
but I regret to confirm your suspicion that it's worse than that as you
expand beyond Europe.

Besides being known as Advanced Time, Summer Time, or Legal Time in
addition to Daylight Savings Time; it is also the right of each territory
to define the exact time of change (2:00 AM is not universal though the
general rule is for the change to be completed prior to 0300 local time).

According to my documents, other territories shift to "DST" at times
such as the last Sunday in October (Australia with the exception of
Tasmania which is the first Sunday in October); last Sunday in November
(Chatham Islands, Cook Islands, etc.); last Saturday in April (Egypt);
never (Bangladesh, Cambodia, China (PRC),...; and intermittently (Easter
Island, Kirghizia).  And then of course territories such as Lord Howe
Island only shift by half an hour when they do shift...

Bruce Vining

>
>Note re the program I posted for Auto DST change.
>
>I believe the program will require changes for use in Europe (and maybe
>elsewhere in the world that persists in this archaic pagan ritual of
>clock mutilation twice a year).
>It's bad enough in this day and age that the world still screws around
>with changing the clocks twice a year (except for those smart people in
>Indianapolis, Phoenix, and Saskatchewan - and I'm sure many other warm
>sunny places closer to the equator), but you would think with the world
>wide economy that countries could at least agree to make the damn change
>on the same day !
>While Europe goes back to standard time the same day North America does,
>I believe they switch to
>daylight savings time the last Sunday in March, whereas North America
>does it the first Sunday in April.
>So for Europe, I believe these changes (no guarantees) would be
>required:
>
> ADDJOBSCDE JOB(AUTO_DST) CMD(CALL PGM(QGPL/DAYSAVTIM)) +
>              FRQ(*MONTHLY) SCDDATE(*NONE) SCDDAY(*SUN) +
>              SCDTIME(020000) RELDAYMON(*LAST) +
>              JOBQ(QSYSNOMAX) USER(????) TEXT('Daylight +
>              Savings Time adjustment program')
>
>and in the program:
>
>             IF         (&MONTH = '03') +
>                          THEN(CHGVAR &HOUR# (&HOUR# +1))
>             IF         (&MONTH = '10') +
>                          THEN(CHGVAR &HOUR# (&HOUR# -1))
>
>
>
>
>
>Neil Palmer
>

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