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  1.  Home
  2. RPG400-L
  3. December 2018

RE: Time Zone Computation

The data from iana.org was the closest thing I could find a few years ago.

My company has offices from Hawaii to New York but we just timestamp everything with local time of our Los Angeles office - PDT/PST.


-----Original Message-----
From: RPG400-L [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Buck Calabro
Sent: Friday, December 28, 2018 7:59 PM
To: RPG programming on the IBM i (AS/400 and iSeries)
Subject: Re: Time Zone Computation

On Fri, Dec 28, 2018, 15:43 <txpenguin1@xxxxxxxxxxx wrote:


So, my dilemma is this - based upon a specific date and time, in a specific
city/state, how can I compute the number of hours difference to GMT for
that
moment?


I don't know of a public database of city, date, UTC offset. Because that's
what is needed for a generic solution to this problem. Because the date of
the switch between summer and winter time has changed through the years due
to legislation.

Perhaps a universal, generic solution is overkill for the immediate problem?

-- buck



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