Import of timezone database from Arthur Olson et al.

Timezone data changes in the following locations:

- Egypt (push possible DST ending one year ahead)
- Iran gets DST again in 2008.
- Palestine DST time for this year fixed.
- Brasils DST rule change in 2008
- Venezuela time moves half an hour back at the end of this year.

3 files changed, 89 insertions, 16 deletions

diff --git a/share/zoneinfo/africa b/share/zoneinfo/africa
index 7f77ee56d72f..434110ccd78c 100644
--- a/share/zoneinfo/africa
+++ b/share/zoneinfo/africa
@@ -1,4 +1,4 @@
-# @(#)africa	8.9
+# @(#)africa	8.10
 # <pre>
 
 # This data is by no means authoritative; if you think you know better,
@@ -224,9 +224,19 @@ Rule	Egypt	2006	only	-	Sep	21	23:00s	0	-
 # From Jesper Norgaard Welen (2007-08-15): [The following agree:]
 # http://www.nentjes.info/Bill/bill5.htm 
 # http://www.timeanddate.com/worldclock/city.html?n=53
+# From Steffen Thorsen (2007-09-04): The official information...:
+# http://www.sis.gov.eg/En/EgyptOnline/Miscellaneous/000002/0207000000000000001580.htm
+Rule	Egypt	2007	only	-	Sep	Thu>=1	23:00s	0	-
+# From Abdelrahman Hassan (2007-09-06):
+# Due to the Hijri (lunar Islamic calendar) year being 11 days shorter
+# than the year of the Gregorian calendar, Ramadan shifts earlier each
+# year. This year it will be observed September 13 (September is quite
+# hot in Egypt), and the idea is to make fasting easier for workers by
+# shifting business hours one hour out of daytime heat. Consequently,
+# unless discontinued, next DST may end Thursday 28 August 2008.
 # From Paul Eggert (2007-08-17):
-# For lack of better info, assume the new rule is first Thursday.
-Rule	Egypt	2007	max	-	Sep	Thu>=1	23:00s	0	-
+# For lack of better info, assume the new rule is last Thursday in August.
+Rule	Egypt	2008	max	-	Aug	lastThu	23:00s	0	-
 
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone	Africa/Cairo	2:05:00 -	LMT	1900 Oct
diff --git a/share/zoneinfo/asia b/share/zoneinfo/asia
index 329dc729f4a8..3007414a7f9f 100644
--- a/share/zoneinfo/asia
+++ b/share/zoneinfo/asia
@@ -1,4 +1,4 @@
-# @(#)asia	8.11
+# @(#)asia	8.12
 # <pre>
 
 # This data is by no means authoritative; if you think you know better,
@@ -568,14 +568,15 @@ Zone Asia/Jayapura	9:22:48 -	LMT	1932 Nov
 # Reingold's/Dershowitz' calculator gives correctly the Gregorian date
 # 2058-03-21 for 1 Farvardin 1437 (astronomical).
 #
-# From Paul Eggert (2006-03-22):
-# The above comments about post-2006 transitions may become relevant again,
-# if Iran ever resuscitates DST, so we'll leave the comments in.
-#
 # From Steffen Thorsen (2006-03-22):
 # Several of my users have reported that Iran will not observe DST anymore:
 # http://www.irna.ir/en/news/view/line-17/0603193812164948.htm
 #
+# From Reuters (2007-09-16), with a heads-up from Jesper Norgaard Welen:
+# ... the Guardian Council ... approved a law on Sunday to re-introduce
+# daylight saving time ...
+# http://uk.reuters.com/article/oilRpt/idUKBLA65048420070916
+#
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule	Iran	1978	1980	-	Mar	21	0:00	1:00	D
 Rule	Iran	1978	only	-	Oct	21	0:00	0	S
@@ -596,6 +597,36 @@ Rule	Iran	2004	only	-	Mar	21	0:00	1:00	D
 Rule	Iran	2004	only	-	Sep	21	0:00	0	S
 Rule	Iran	2005	only	-	Mar	22	0:00	1:00	D
 Rule	Iran	2005	only	-	Sep	22	0:00	0	S
+Rule	Iran	2008	only	-	Mar	21	0:00	1:00	D
+Rule	Iran	2008	only	-	Sep	21	0:00	0	S
+Rule	Iran	2009	2011	-	Mar	22	0:00	1:00	D
+Rule	Iran	2009	2011	-	Sep	22	0:00	0	S
+Rule	Iran	2012	only	-	Mar	21	0:00	1:00	D
+Rule	Iran	2012	only	-	Sep	21	0:00	0	S
+Rule	Iran	2013	2015	-	Mar	22	0:00	1:00	D
+Rule	Iran	2013	2015	-	Sep	22	0:00	0	S
+Rule	Iran	2016	only	-	Mar	21	0:00	1:00	D
+Rule	Iran	2016	only	-	Sep	21	0:00	0	S
+Rule	Iran	2017	2019	-	Mar	22	0:00	1:00	D
+Rule	Iran	2017	2019	-	Sep	22	0:00	0	S
+Rule	Iran	2020	only	-	Mar	21	0:00	1:00	D
+Rule	Iran	2020	only	-	Sep	21	0:00	0	S
+Rule	Iran	2021	2023	-	Mar	22	0:00	1:00	D
+Rule	Iran	2021	2023	-	Sep	22	0:00	0	S
+Rule	Iran	2024	only	-	Mar	21	0:00	1:00	D
+Rule	Iran	2024	only	-	Sep	21	0:00	0	S
+Rule	Iran	2025	2027	-	Mar	22	0:00	1:00	D
+Rule	Iran	2025	2027	-	Sep	22	0:00	0	S
+Rule	Iran	2028	2029	-	Mar	21	0:00	1:00	D
+Rule	Iran	2028	2029	-	Sep	21	0:00	0	S
+Rule	Iran	2030	2031	-	Mar	22	0:00	1:00	D
+Rule	Iran	2030	2031	-	Sep	22	0:00	0	S
+Rule	Iran	2032	2033	-	Mar	21	0:00	1:00	D
+Rule	Iran	2032	2033	-	Sep	21	0:00	0	S
+Rule	Iran	2034	2035	-	Mar	22	0:00	1:00	D
+Rule	Iran	2034	2035	-	Sep	22	0:00	0	S
+Rule	Iran	2036	2037	-	Mar	21	0:00	1:00	D
+Rule	Iran	2036	2037	-	Sep	21	0:00	0	S
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Tehran	3:25:44	-	LMT	1916
 			3:25:44	-	TMT	1946	# Tehran Mean Time
@@ -1518,6 +1549,17 @@ Zone	Asia/Karachi	4:28:12 -	LMT	1907
 # I guess it is likely that next year's date will be moved as well,
 # because of the Ramadan.
 
+# From Jesper Norgaard Welen (2007-09-18):
+# According to Steffen Thorsen's web site the Gaza Strip and the rest of the
+# Palestinian territories left DST early on 13.th. of September at 2:00.
+
+# From Paul Eggert (2007-09-20):
+# My understanding is that Gaza and the West Bank disagree even over when
+# the weekend is (Thursday+Friday versus Friday+Saturday), so I'd be a bit
+# surprised if they agreed about DST.  But for now, assume they agree.
+# For lack of better information, predict that future changes will be
+# the 2nd Thursday of September at 02:00.
+
 # The rules for Egypt are stolen from the `africa' file.
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule EgyptAsia	1957	only	-	May	10	0:00	1:00	S
@@ -1533,7 +1575,7 @@ Rule Palestine	2004	only	-	Oct	 1	1:00	0	-
 Rule Palestine	2005	only	-	Oct	 4	2:00	0	-
 Rule Palestine	2006	max	-	Apr	 1	0:00	1:00	S
 Rule Palestine	2006	only	-	Sep	22	0:00	0	-
-Rule Palestine	2007	max	-	Oct	Fri>=15	0:00	0	-
+Rule Palestine	2007	max	-	Sep	Thu>=8	2:00	0	-
 
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Gaza	2:17:52	-	LMT	1900 Oct
diff --git a/share/zoneinfo/southamerica b/share/zoneinfo/southamerica
index 7aec8b6b8b25..bfda82764962 100644
--- a/share/zoneinfo/southamerica
+++ b/share/zoneinfo/southamerica
@@ -1,4 +1,4 @@
-# @(#)southamerica	8.11
+# @(#)southamerica	8.12
 # <pre>
 
 # This data is by no means authoritative; if you think you know better,
@@ -424,6 +424,10 @@ Zone	America/La_Paz	-4:32:36 -	LMT	1890
 # modern Brazilian eletronic voting machines which, apparently, can't deal
 # with a time change between the first and the second rounds of the elections.
 
+# From Steffen Thorsen (2007-09-20):
+# Brazil will start DST on 2007-10-14 00:00 and end on 2008-02-17 00:00:
+# http://www.mme.gov.br/site/news/detail.do;jsessionid=BBA06811AFCAAC28F0285210913513DA?newsId=13975
+
 # From Paul Eggert (2002-10-10):
 # The official decrees referenced below are mostly taken from
 # <a href="http://pcdsh01.on.br/DecHV.html">
@@ -557,13 +561,18 @@ Rule	Brazil	2004	only	-	Nov	 2	 0:00	1:00	S
 # Decree <a href="http://pcdsh01.on.br/DecHV5539.gif">5,539</a> (2005-09-19),
 # adopted by the same states as before.
 Rule	Brazil	2005	only	-	Oct	16	 0:00	1:00	S
-# Decree <a href="http://www.planalto.gov.br/ccivil_03/_Ato2004-2006/2006/Decreto/D5920.htm">5,920</a>
-# (2006-10-03), adopted by the same states as before.
-Rule	Brazil	2006	max	-	Nov	Sun>=1	 0:00	1:00	S
-Rule	Brazil	2007	max	-	Feb	lastSun	 0:00	0	-
+# Decree <a href="http://pcdsh01.on.br/DecHV5920.gif">5,920</a> (2006-10-03),
+# adopted by the same states as before.
+Rule	Brazil	2006	only	-	Nov	 5	 0:00	1:00	S
+Rule	Brazil	2007	only	-	Feb	25	 0:00	0	-
+# (Decree number not yet known)
+# http://www.brasil.gov.br/noticias/ultimas_noticias/horario_verao070920/
+# (2007-09-20) after a heads-up from Steffen Thorsen:
+Rule	Brazil	2007	max	-	Oct	Sun>=8	 0:00	1:00	S
+Rule	Brazil	2008	max	-	Feb	Sun>=15	 0:00	0	-
 # The latest ruleset listed above says that the following states observe DST:
 # DF, ES, GO, MG, MS, MT, PR, RJ, RS, SC, SP.
-# For dates after mid-2007, the above rules with TO="max" are guesses
+# For dates after mid-2008, the above rules with TO="max" are guesses
 # and are quite possibly wrong, but are more likely than no DST at all.
 
 
@@ -1097,8 +1106,20 @@ Zone America/Montevideo	-3:44:44 -	LMT	1898 Jun 28
 			-3:00	Uruguay	UY%sT
 
 # Venezuela
+#
+# From Kiraz Janicke (2007-09-25), in
+# http://www.venezuelanalysis.com/analysis/2645:
+# The proposal ... involves turning the clock back half an hour from
+# +4.00 Greenwich Mean Time (GMT), to +4.30GMT, the time zone
+# Venezuela had until December 31, 1964, when the current time zone
+# was adopted. The change was due to take place on September 17 and
+# then on September 24, but has since been postponed until December
+# 31, to allow for compliance with international organizations, such
+# as the International Office of Weights and Measures.
+
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone	America/Caracas	-4:27:44 -	LMT	1890
 			-4:27:40 -	CMT	1912 Feb 12 # Caracas Mean Time?
 			-4:30	-	VET	1965	     # Venezuela Time
-			-4:00	-	VET
+			-4:00	-	VET	2008
+			-4:30	-	VET