I have translated to UTC what Lodewijd said: "For Switzerland, images submitted in July, August or September 2011 (starting time is in UTC+2, closing time in UTC+0)." I assume for other countries that starting and closing time is in local timezone, so the question is to confirm if for Switzerland the closing time is UTC+0 (2011-09-30 23:59 UTC) or UTC+2 (2011-09-30 21:59 UTC) as other countries in CEST timezone.
Vicenç> From: jeremy@tuxmachine.com
> Date: Sun, 10 Jun 2012 13:25:41 -0400
> To: wikilovesmonuments@lists.wikimedia.org
> Subject: Re: [Wiki Loves Monuments] help for the guinness world record proof
>> On Sun, Jun 10, 2012 at 12:35 PM, Vicenç Riullop <vriullop@hotmail.com> wrote:
> > * Switzerland:
> > ** starting time 2011-06-30 22:00 (July UTC+2)
> > ** closing time 2011-09-30 23:59 (September UTC+0)
>
> huh?
>
> $ for i in now '2011-06-30 22:00' '2011-09-30 23:59'; do printf '%-18s
> ' "$i"; TZ=Europe/Zurich date -R -d "$i"; done
> now Sun, 10 Jun 2012 19:24:11 +0200
> 2011-06-30 22:00 Thu, 30 Jun 2011 22:00:00 +0200
> 2011-09-30 23:59 Fri, 30 Sep 2011 23:59:00 +0200
>
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