[tz] Summer time during WW2 for Europe/Zagreb

[Marshall Eubanks]

On Fri, Dec 2, 2011 at 7:36 AM, Thom Hehl <Thom at pointsix.com> wrote:
> I believe summer time was suspended here in the states during WW2. Same
> in Europe?

The exact opposite : the US War Time Act (56 Stat. 9) instituted
permanent (year round) DST:

http://www.webexhibits.org/daylightsaving/usstat.html

The British used _double_ summer time (AKA Daylight Savings Time) in
WWII  (+ 1 hour in winter, +2 in summer).

I don't know about the continent, and in particular about Nazi
controlled Europe.

Regards
Marshall



>
> -----Original Message-----
> From: tz-bounces at iana.org [mailto:tz-bounces at iana.org] On Behalf Of Miro
> Sent: Friday, December 02, 2011 5:11 AM
> To: tz at iana.org
> Subject: [tz] Summer time during WW2 for Europe/Zagreb
>
> Hi,
>
> I'd like to ask a question regarding Europe/Zagreb timezone for years
> 1941-1945.
> I actually reported a bug in Firefox but that turned out not to be the
> case.
> I'll leave url just in case you need more information:
> https://bugzilla.mozilla.org/show_bug.cgi?id=704486
>
> Anyway, I have Arch Linux installed with latest tzdata package: 2011n.
> Package
> information is available at:
> http://www.archlinux.org/packages/core/x86_64/tzdata. I noticed weird
> behaviour
> in Firefox when I try to enter some dates during WW2. Basically summer
> time
> doesn't get accounted for. Here is a simple test I ran in Firefox:
>
> 8<---------------------------------------------------------
> var d = new Date(Date.UTC(1942, 5, 11, 22, 0, 0, 0));
>
> // Firefox 8.0.1, Rhino 1.7 release 3 2011 10 16
> d.toString(); // Thu Jun 11 1942 23:00:00 GMT+0100 (CET)
>
> // this is what I expect:
> // Chrome15, IE8, nodejs 0.6.2, and code in Java and Ruby
> d.toString(); // Fri Jun 12 1942 00:00:00 GMT+0200 (CEST)
> --------------------------------------------------------->8
>
> I ran the same test on Arch Linux and on Windows 7. On Windows 7 both
> Firefox
> and Chrome work as expected. Only Firefox under Linux presents date
> which
> doesn't account for summer time. Firefox people told me that Firefox
> uses native
> (from glibc probably) tzdata. Therefore, I expected if I use another
> software
> that uses latest tzdata (assuming 2011n is latest) I'd get the same
> result. I
> used joda-time for that
> (http://joda-time.sourceforge.net/tz_update.html). But I
> got correct date. One that does account for summer time.
>
> I was wondering If you could point me in a correct direction for trying
> to fix
> this bug.
>
> Kind regards
>
>
>
>