This gives the number of seconds offset from GMT.
John DeSoi, Ph.D.
$zDate:=Current date
$str:=String($zDate;ISO date GMT;$zTime) //2010-09-13T16:11:53Z
$str:=Substring($str;1;Length($str)-1) //Remove the Z or it gives us back
local time.
$gmtDate:=Date($str)
$gmtTime:=Time($str)
Case of
: ($zDate=$gmtDate)
$0:=$zTime-$gmtTime
: ($zDate>$gmtDate)
$0:=(?24:00:00?-$gmtTime)+$zTime
Else
$0:=0-((?24:00:00?-$zTime)+$gmtTime)
End case
> On May 6, 2019, at 10:47 AM, Peter Jakobsson via 4D_Tech
> <[email protected]> wrote:
>
> I’ve been looking into capturing the OS timezone (i.e. GMT +01 etc) from the
> 4D language but have drawn a blank. I thought there might be some fancy
> footwork with String(?00:00:00?;ISO GMT) or something trick like that
> possible but I’ve been unsuccessful.
>
> Has anyone done this without resorting to LAUNCH EXTERNAL PROCESS shell
> scripts and so on ?
>
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