[tz] More than 2 transitions per year for Asia/Gaza & Hebron in 2068+

[Paul Goyette]

On Sat, 30 Dec 2023, Dave Rolsky via tz wrote:

> Hi all,
>
> With the latest release (2023d) I'm seeing some surprising output from
> zdump for the Asia/Gaza & Asia/Hebron zones:
>
> $> zdump -v Asia/Hebron
> ...
> Asia/Hebron  Fri Mar 23 23:59:59 2068 UT = Sat Mar 24 01:59:59 2068 EET
> isdst=0 gmtoff=7200
> Asia/Hebron  Sat Mar 24 00:00:00 2068 UT = Sat Mar 24 03:00:00 2068 EEST
> isdst=1 gmtoff=10800
> Asia/Hebron  Fri Oct 19 22:59:59 2068 UT = Sat Oct 20 01:59:59 2068 EEST
> isdst=1 gmtoff=10800
> Asia/Hebron  Fri Oct 19 23:00:00 2068 UT = Sat Oct 20 01:00:00 2068 EET
> isdst=0 gmtoff=7200
> Asia/Hebron  Fri Mar 29 23:59:59 2069 UT = Sat Mar 30 01:59:59 2069 EET
> isdst=0 gmtoff=7200
> Asia/Hebron  Sat Mar 30 00:00:00 2069 UT = Sat Mar 30 03:00:00 2069 EEST
> isdst=1 gmtoff=10800
> Asia/Hebron  Fri Oct 11 22:59:59 2069 UT = Sat Oct 12 01:59:59 2069 EEST
> isdst=1 gmtoff=10800
> Asia/Hebron  Fri Oct 11 23:00:00 2069 UT = Sat Oct 12 01:00:00 2069 EET
> isdst=0 gmtoff=7200
>
>
> This pattern of >2 transitions per year continues from that year.
>
> Is this correct? It seems awfully weird.

IIRC, this is to accomodate a temporary-return-to-standard-time for
the duration of Ramadan.


> Cheers,
>
> Dave Rolsky
> http://blog.urth.org
> https://github.com/autarch
>
>
> !DSPAM:658fb40d15421143672522!
>

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