[tz] incorrect timezone info from tar files

[Jon Skeet]

Could you clarify *exactly *how you derived your table, in terms of the
IANA data?

If you look at
https://nodatime.org/tzvalidate/generate?version=2019c&zone=Europe/Istanbul -
which is generated from IANA data - it shows DST changes stopping in
September 2016, just as you said.

Likewise if you look at the current source data
<https://github.com/eggert/tz/blob/1a27ec76bc436a64070461bbbf28e0511c7cf3b8/europe#L3889>,
you'll see the same result.

I suspect this is a problem of data interpretation rather than anything
else.

Jon


On Mon, 2 Dec 2019 at 17:32, Benjamin Weiser <Benjamin.Weiser at inrix.com>
wrote:

> Hello,
>
>
>
> I’d like to report your downloads for the following Time Zones from this
> URL on your site are out of date: https://www.iana.org/time-zones
>
>
>
> For instance Europe/Istanbul moved to UTC 3 permanently in September of
> 2016 and no longer follow DST.
>
>
>
> I will place the correct times first, and then the incorrect IANA times
> second. Highlighted in orange have the incorrect time zone information (0
> means there is no DST, 1 means they follow DST)
>
>
>
>
>
> TimeZone
>
> UTC Offset
>
> ObservesDST
>
> IANA_UTC_offset:
>
> IANA_ObservesDST:
>
> America/Campo_Grande
>
> -4
>
> 0
>
> -4
>
> 1
>
> America/Sao_Paulo
>
> -3
>
> 0
>
> -3
>
> 1
>
> America/St_Johns
>
> -3.5
>
> 1
>
> -3
>
> 1
>
> Asia/Sakhalin
>
> 11
>
> 0
>
> 10
>
> 0
>
> Australia/Adelaide
>
> 9.5
>
> 1
>
> 9
>
> 1
>
> Australia/Darwin
>
> 9.5
>
> 0
>
> 9
>
> 0
>
> Australia/Lord_Howe
>
> 10.5
>
> 1
>
> 10
>
> 1
>
> Europe/Istanbul
>
> 3
>
> 0
>
> 2
>
> 1
>
> Indian/Cocos
>
> 6.5
>
> 0
>
> 6
>
> 0
>
> Pacific/Chatham
>
> 12.75
>
> 1
>
> 12
>
> 1
>
>
>
> Thanks.
>
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