[tz] Casablanca Timezone changes

[Petr Machata]

"David Magda" <dmagda at ee.ryerson.ca> writes:

> On Thu, July 12, 2012 09:38, Ian Abbott wrote:
>> On 2012-07-12 11:58, Neil Masson wrote:
>>> According to
>>> http://www.timeanddate.com/worldclock/clockchange.html?n=60&year=2012,
>>> DST in Morocco is being suspended between 20 July and 19 August.  A
>>> customer is reporting that the suspension will be between 15 July and 26
>>> August.  I have asked for references,  but so far do not have any.
>>
>> FWIW, Microsoft appear to be going with the 20 July and 19 August dates
>> and have Windows hotfixes to be installed during certain intervals to
>> cope with the temporary suspension of DST.  See:
>>
>> http://blogs.technet.com/b/dst2007/archive/2012/06/20/ramadan-change-for-moroccan-dst.aspx
>>
>> http://support.microsoft.com/kb/2698707
>
> Non-normative weblog post from March:
>
>   http://riadzany.blogspot.com/2012/03/daylight-saving-in-morocco-2012.html

The following is based on the above information and blog post.  It seems
consistent with what Microsoft did for Windows[1].

[1] https://blogs.technet.com/b/dst2007/archive/2012/06/20/ramadan-change-for-moroccan-dst.aspx

--- africa~	2012-03-27 17:39:16.000000000 +0200
+++ africa	2012-07-13 09:46:30.382276596 +0200
@@ -826,6 +826,9 @@ Rule	Morocco	2011	only	-	Apr	 3	 0:00	1:
 Rule	Morocco	2011	only	-	Jul	 31	 0	0	-
 Rule	Morocco	2012	max	-	Apr	 lastSun 2:00	1:00	S
 Rule	Morocco	2012	max	-	Sep	 lastSun 3:00	0	-
+# DST is suspended for the month of Ramadan
+Rule	Morocco 2012	only	-	Jul	 20	 3:00	0	-
+Rule	Morocco 2012	only	-	Aug	 19	 2:00	1:00	S
 
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone Africa/Casablanca	-0:30:20 -	LMT	1913 Oct 26

Thanks,
PM