Update to tzdata2014j from ftp.iana.org

7 files changed, 130 insertions, 124 deletions

diff --git a/share/zoneinfo/datfiles/africa b/share/zoneinfo/datfiles/africa
index 662d7a60cdc..5609691ed36 100644
--- a/share/zoneinfo/datfiles/africa
+++ b/share/zoneinfo/datfiles/africa
@@ -1,4 +1,4 @@
-# $OpenBSD: africa,v 1.43 2014/10/02 21:04:03 millert Exp $
+# $OpenBSD: africa,v 1.44 2014/11/11 21:09:55 millert Exp $
 # This file is in the public domain, so clarified as of
 # 2009-05-17 by Arthur David Olson.
 
@@ -7,20 +7,19 @@
 # tz@iana.org for general use in the future).  For more, please see
 # the file CONTRIBUTING in the tz distribution.
 
-# From Paul Eggert (2013-02-21):
+# From Paul Eggert (2014-10-31):
 #
-# A good source for time zone historical data outside the U.S. is
+# Unless otherwise specified, the source for data through 1990 is:
 # Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
 # San Diego: ACS Publications, Inc. (2003).
+# Unfortunately this book contains many errors and cites no sources.
 #
 # Gwillim Law writes that a good source
 # for recent time zone data is the International Air Transport
 # Association's Standard Schedules Information Manual (IATA SSIM),
 # published semiannually.  Law sent in several helpful summaries
-# of the IATA's data after 1990.
-#
-# Except where otherwise noted, Shanks & Pottenger is the source for
-# entries through 1990, and IATA SSIM is the source for entries afterwards.
+# of the IATA's data after 1990.  Except where otherwise noted,
+# IATA SSIM is the source for entries after 1990.
 #
 # Another source occasionally used is Edward W. Whitman, World Time Differences,
 # Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which
@@ -66,7 +65,6 @@
 #	 3:00	CAST	Central Africa Summer Time (no longer used)
 #	 3:00	SAST	South Africa Summer Time (no longer used)
 #	 3:00	EAT	East Africa Time
-#	 4:00	EAST	East Africa Summer Time (no longer used)
 
 # Algeria
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
@@ -147,9 +145,7 @@ Zone	Africa/Ndjamena	1:00:12 -	LMT	1912        # N'Djamena
 			1:00	-	WAT
 
 # Comoros
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
-Zone	Indian/Comoro	2:53:04 -	LMT	1911 Jul # Moroni, Gran Comoro
-			3:00	-	EAT
+# See Africa/Nairobi.
 
 # Democratic Republic of the Congo
 # See Africa/Lagos for the western part and Africa/Maputo for the eastern.
@@ -173,9 +169,7 @@ Link Africa/Abidjan Africa/Sao_Tome	# São Tomé and Príncipe
 Link Africa/Abidjan Atlantic/St_Helena	# St Helena
 
 # Djibouti
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
-Zone	Africa/Djibouti	2:52:36 -	LMT	1911 Jul
-			3:00	-	EAT
+# See Africa/Nairobi.
 
 ###############################################################################
 
@@ -388,27 +382,8 @@ Zone	Africa/Cairo	2:05:09 -	LMT	1900 Oct
 # See Africa/Lagos.
 
 # Eritrea
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
-Zone	Africa/Asmara	2:35:32 -	LMT	1870
-			2:35:32	-	AMT	1890        # Asmara Mean Time
-			2:35:20	-	ADMT	1936 May  5 # Adis Dera MT
-			3:00	-	EAT
-
 # Ethiopia
-# From Paul Eggert (2014-07-31):
-# Like the Swahili of Kenya and Tanzania, many Ethiopians keep a
-# 12-hour clock starting at our 06:00, so their "8 o'clock" is our
-# 02:00 or 14:00.  Keep this in mind when you ask the time in Amharic.
-#
-# Shanks & Pottenger write that Ethiopia had six narrowly-spaced time
-# zones between 1870 and 1890, that they merged to 38E50 (2:35:20) in
-# 1890, and that they switched to 3:00 on 1936-05-05.  Perhaps 38E50
-# was for Adis Dera.  Quite likely the Shanks data entries are wrong
-# anyway.
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
-Zone Africa/Addis_Ababa	2:34:48 -	LMT	1870
-			2:35:20	-	ADMT	1936 May  5 # Adis Dera MT
-			3:00	-	EAT
+# See Africa/Nairobi.
 
 # Gabon
 # See Africa/Lagos.
@@ -452,6 +427,15 @@ Zone	Africa/Nairobi	2:27:16	-	LMT	1928 Jul
 			2:30	-	BEAT	1940
 			2:45	-	BEAUT	1960
 			3:00	-	EAT
+Link Africa/Nairobi Africa/Addis_Ababa	 # Ethiopia
+Link Africa/Nairobi Africa/Asmara	 # Eritrea
+Link Africa/Nairobi Africa/Dar_es_Salaam # Tanzania
+Link Africa/Nairobi Africa/Djibouti
+Link Africa/Nairobi Africa/Kampala	 # Uganda
+Link Africa/Nairobi Africa/Mogadishu	 # Somalia
+Link Africa/Nairobi Indian/Antananarivo	 # Madagascar
+Link Africa/Nairobi Indian/Comoro
+Link Africa/Nairobi Indian/Mayotte
 
 # Lesotho
 # See Africa/Johannesburg.
@@ -529,11 +513,7 @@ Zone	Africa/Tripoli	0:52:44 -	LMT	1920
 			2:00	-	EET
 
 # Madagascar
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
-Zone Indian/Antananarivo 3:10:04 -	LMT	1911 Jul
-			3:00	-	EAT	1954 Feb 27 23:00s
-			3:00	1:00	EAST	1954 May 29 23:00s
-			3:00	-	EAT
+# See Africa/Nairobi.
 
 # Malawi
 # See Africa/Maputo.
@@ -636,9 +616,7 @@ Zone Indian/Mauritius	3:50:00 -	LMT	1907 # Port Louis
 # no information; probably like Indian/Mauritius
 
 # Mayotte
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
-Zone	Indian/Mayotte	3:00:56 -	LMT	1911 Jul # Mamoutzou
-			3:00	-	EAT
+# See Africa/Nairobi.
 
 # Morocco
 # See the 'europe' file for Spanish Morocco (Africa/Ceuta).
@@ -1050,11 +1028,7 @@ Zone	Indian/Mahe	3:41:48 -	LMT	1906 Jun # Victoria
 # See Africa/Abidjan.
 
 # Somalia
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
-Zone Africa/Mogadishu	3:01:28 -	LMT	1893 Nov
-			3:00	-	EAT	1931
-			2:30	-	BEAT	1957
-			3:00	-	EAT
+# See Africa/Nairobi.
 
 # South Africa
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
@@ -1097,11 +1071,7 @@ Link Africa/Khartoum Africa/Juba
 # See Africa/Johannesburg.
 
 # Tanzania
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
-Zone Africa/Dar_es_Salaam 2:37:08 -	LMT	1931
-			3:00	-	EAT	1948
-			2:45	-	BEAUT	1961
-			3:00	-	EAT
+# See Africa/Nairobi.
 
 # Togo
 # See Africa/Abidjan.
@@ -1207,12 +1177,7 @@ Zone	Africa/Tunis	0:40:44 -	LMT	1881 May 12
 			1:00	Tunisia	CE%sT
 
 # Uganda
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
-Zone	Africa/Kampala	2:09:40 -	LMT	1928 Jul
-			3:00	-	EAT	1930
-			2:30	-	BEAT	1948
-			2:45	-	BEAUT	1957
-			3:00	-	EAT
+# See Africa/Nairobi.
 
 # Zambia
 # Zimbabwe
diff --git a/share/zoneinfo/datfiles/asia b/share/zoneinfo/datfiles/asia
index 501f92d6753..3bedd22524f 100644
--- a/share/zoneinfo/datfiles/asia
+++ b/share/zoneinfo/datfiles/asia
@@ -1,4 +1,4 @@
-# $OpenBSD: asia,v 1.69 2014/10/22 21:45:50 millert Exp $
+# $OpenBSD: asia,v 1.70 2014/11/11 21:09:55 millert Exp $
 # This file is in the public domain, so clarified as of
 # 2009-05-17 by Arthur David Olson.
 
@@ -7,20 +7,19 @@
 # tz@iana.org for general use in the future).  For more, please see
 # the file CONTRIBUTING in the tz distribution.
 
-# From Paul Eggert (2013-08-11):
+# From Paul Eggert (2014-10-31):
 #
-# A good source for time zone historical data outside the U.S. is
+# Unless otherwise specified, the source for data through 1990 is:
 # Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
 # San Diego: ACS Publications, Inc. (2003).
+# Unfortunately this book contains many errors and cites no sources.
 #
 # Gwillim Law writes that a good source
 # for recent time zone data is the International Air Transport
 # Association's Standard Schedules Information Manual (IATA SSIM),
 # published semiannually.  Law sent in several helpful summaries
-# of the IATA's data after 1990.
-#
-# Except where otherwise noted, Shanks & Pottenger is the source for
-# entries through 1990, and IATA SSIM is the source for entries afterwards.
+# of the IATA's data after 1990.  Except where otherwise noted,
+# IATA SSIM is the source for entries after 1990.
 #
 # Another source occasionally used is Edward W. Whitman, World Time Differences,
 # Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which
@@ -1664,44 +1663,70 @@ Zone	Asia/Bishkek	4:58:24 -	LMT	1924 May  2
 # Korea (North and South)
 
 # From Annie I. Bang (2006-07-10):
-# http://www.koreaherald.co.kr/SITE/data/html_dir/2006/07/10/200607100012.asp
-# The Ministry of Commerce, Industry and Energy has already
-# commissioned a research project [to reintroduce DST] and has said
-# the system may begin as early as 2008....  Korea ran a daylight
-# saving program from 1949-61 but stopped it during the 1950-53 Korean War.
+# http://www.koreaherald.com/view.php?ud=200607100012
+# Korea ran a daylight saving program from 1949-61 but stopped it
+# during the 1950-53 Korean War.  The system was temporarily enforced
+# between 1987 and 1988 ...
+
+# From Sanghyuk Jung (2014-10-29):
+# http://mm.icann.org/pipermail/tz/2014-October/021830.html
+# According to the Korean Wikipedia
+# http://ko.wikipedia.org/wiki/한국_표준시
+# [oldid=12896437 2014-09-04 08:03 UTC]
+# DST in Republic of Korea was as follows....  And I checked old
+# newspapers in Korean, all articles correspond with data in Wikipedia.
+# For example, the article in 1948 (Korean Language) proved that DST
+# started at June 1 in that year.  For another example, the article in
+# 1988 said that DST started at 2:00 AM in that year.
 
-# From Shanks & Pottenger:
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	ROK	1960	only	-	May	15	0:00	1:00	D
-Rule	ROK	1960	only	-	Sep	13	0:00	0	S
-Rule	ROK	1987	1988	-	May	Sun>=8	0:00	1:00	D
-Rule	ROK	1987	1988	-	Oct	Sun>=8	0:00	0	S
-
-# From Paul Eggert (2014-07-01):
-# The following entries are from Shanks & Pottenger, except that I
-# guessed that time zone abbreviations through 1945 followed the same
+Rule	ROK	1948	only	-	Jun	 1	0:00	1:00	D
+Rule	ROK	1948	only	-	Sep	13	0:00	0	S
+Rule	ROK	1949	only	-	Apr	 3	0:00	1:00	D
+Rule	ROK	1949	1951	-	Sep	Sun>=8	0:00	0	S
+Rule	ROK	1950	only	-	Apr	 1	0:00	1:00	D
+Rule	ROK	1951	only	-	May	 6	0:00	1:00	D
+Rule	ROK	1955	only	-	May	 5	0:00	1:00	D
+Rule	ROK	1955	only	-	Sep	 9	0:00	0	S
+Rule	ROK	1956	only	-	May	20	0:00	1:00	D
+Rule	ROK	1956	only	-	Sep	30	0:00	0	S
+Rule	ROK	1957	1960	-	May	Sun>=1	0:00	1:00	D
+Rule	ROK	1957	1960	-	Sep	Sun>=18	0:00	0	S
+Rule	ROK	1987	1988	-	May	Sun>=8	2:00	1:00	D
+Rule	ROK	1987	1988	-	Oct	Sun>=8	3:00	0	S
+
+# From Paul Eggert (2014-10-30):
+# The Korean Wikipedia entry gives the following sources for UT offsets:
+#
+# 1908: Official Journal Article No. 3994 (Edict No. 5)
+# 1912: Governor-General of Korea Official Gazette Issue No. 367
+#       (Announcement No. 338)
+# 1954: Presidential Decree No. 876 (1954-03-17)
+# 1961: Law No. 676 (1961-08-07)
+# 1987: Law No. 3919 (1986-12-31)
+#
+# The Wikipedia entry also has confusing information about a change
+# to UT+9 in April 1910, but then what would be the point of the later change
+# to UT+9 on 1912-01-01?  Omit the 1910 change for now.
+#
+# I guessed that time zone abbreviations through 1945 followed the same
 # rules as discussed under Taiwan, with nominal switches from JST to KST
 # when the respective cities were taken over by the Allies after WWII.
+#
+# For Pyongyang we have no information; guess no changes since World War II.
 
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
-Zone	Asia/Seoul	8:27:52	-	LMT	1890
-			8:30	-	KST	1904 Dec
-			9:00	-	JCST	1928
-			8:30	-	KST	1932
+Zone	Asia/Seoul	8:27:52	-	LMT	1908 Apr  1
+			8:30	-	KST	1912 Jan  1
 			9:00	-	JCST	1937 Oct  1
 			9:00	-	JST	1945 Sep  8
 			9:00	-	KST	1954 Mar 21
-			8:00	ROK	K%sT	1961 Aug 10
-			8:30	-	KST	1968 Oct
+			8:30	ROK	K%sT	1961 Aug 10
 			9:00	ROK	K%sT
-Zone	Asia/Pyongyang	8:23:00 -	LMT	1890
-			8:30	-	KST	1904 Dec
-			9:00	-	JCST	1928
-			8:30	-	KST	1932
+Zone	Asia/Pyongyang	8:23:00 -	LMT	1908 Apr  1
+			8:30	-	KST	1912 Jan  1
 			9:00	-	JCST	1937 Oct  1
 			9:00	-	JST	1945 Aug 24
-			9:00	-	KST	1954 Mar 21
-			8:00	-	KST	1961 Aug 10
 			9:00	-	KST
 
 ###############################################################################
diff --git a/share/zoneinfo/datfiles/australasia b/share/zoneinfo/datfiles/australasia
index a1e10736594..5c5fe23439a 100644
--- a/share/zoneinfo/datfiles/australasia
+++ b/share/zoneinfo/datfiles/australasia
@@ -1,4 +1,4 @@
-# $OpenBSD: australasia,v 1.50 2014/10/22 21:45:50 millert Exp $
+# $OpenBSD: australasia,v 1.51 2014/11/11 21:09:55 millert Exp $
 # This file is in the public domain, so clarified as of
 # 2009-05-17 by Arthur David Olson.
 
@@ -798,19 +798,19 @@ Zone	Pacific/Wallis	12:15:20 -	LMT	1901
 # tz@iana.org for general use in the future).  For more, please see
 # the file CONTRIBUTING in the tz distribution.
 
-# From Paul Eggert (2013-02-21):
-# A good source for time zone historical data outside the U.S. is
+# From Paul Eggert (2014-10-31):
+#
+# Unless otherwise specified, the source for data through 1990 is:
 # Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
 # San Diego: ACS Publications, Inc. (2003).
+# Unfortunately this book contains many errors and cites no sources.
 #
 # Gwillim Law writes that a good source
 # for recent time zone data is the International Air Transport
 # Association's Standard Schedules Information Manual (IATA SSIM),
 # published semiannually.  Law sent in several helpful summaries
-# of the IATA's data after 1990.
-#
-# Except where otherwise noted, Shanks & Pottenger is the source for
-# entries through 1990, and IATA SSIM is the source for entries afterwards.
+# of the IATA's data after 1990.  Except where otherwise noted,
+# IATA SSIM is the source for entries after 1990.
 #
 # Another source occasionally used is Edward W. Whitman, World Time Differences,
 # Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which
diff --git a/share/zoneinfo/datfiles/europe b/share/zoneinfo/datfiles/europe
index f6be6aebd78..61973bd8f97 100644
--- a/share/zoneinfo/datfiles/europe
+++ b/share/zoneinfo/datfiles/europe
@@ -1,4 +1,4 @@
-# $OpenBSD: europe,v 1.53 2014/10/22 21:45:50 millert Exp $
+# $OpenBSD: europe,v 1.54 2014/11/11 21:09:56 millert Exp $
 # This file is in the public domain, so clarified as of
 # 2009-05-17 by Arthur David Olson.
 
@@ -7,16 +7,19 @@
 # tz@iana.org for general use in the future).  For more, please see
 # the file CONTRIBUTING in the tz distribution.
 
-# From Paul Eggert (2014-05-31):
-# A good source for time zone historical data outside the U.S. is
+# From Paul Eggert (2014-10-31):
+#
+# Unless otherwise specified, the source for data through 1990 is:
 # Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
 # San Diego: ACS Publications, Inc. (2003).
+# Unfortunately this book contains many errors and cites no sources.
 #
 # Gwillim Law writes that a good source
 # for recent time zone data is the International Air Transport
 # Association's Standard Schedules Information Manual (IATA SSIM),
 # published semiannually.  Law sent in several helpful summaries
-# of the IATA's data after 1990.
+# of the IATA's data after 1990.  Except where otherwise noted,
+# IATA SSIM is the source for entries after 1990.
 #
 # A reliable and entertaining source about time zones is
 # Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997).
@@ -288,6 +291,14 @@
 #   "Timeball on the ballast office is down.  Dunsink time."
 #   -- James Joyce, Ulysses
 
+# "Countess Markievicz ... claimed that the [1916] abolition of Dublin Mean Time
+# was among various actions undertaken by the 'English' government that
+# would 'put the whole country into the SF (Sinn Féin) camp'.  She claimed
+# Irish 'public feeling (was) outraged by forcing of English time on us'."
+# -- Parsons M. Dublin lost its time zone - and 25 minutes - after 1916 Rising.
+# Irish Times 2014-10-27.
+# http://www.irishtimes.com/news/politics/dublin-lost-its-time-zone-and-25-minutes-after-1916-rising-1.1977411
+
 # From Joseph S. Myers (2005-01-26):
 # Irish laws are available online at <http://www.irishstatutebook.ie>.
 # These include various relating to legal time, for example:
@@ -595,6 +606,7 @@ Rule	Russia	1992	only	-	Sep	lastSat	 23:00	0	-
 Rule	Russia	1993	2010	-	Mar	lastSun	 2:00s	1:00	S
 Rule	Russia	1993	1995	-	Sep	lastSun	 2:00s	0	-
 Rule	Russia	1996	2010	-	Oct	lastSun	 2:00s	0	-
+# As described below, Russia's 2014 change affects Zone data, not Rule data.
 
 # From Alexander Krivenyshev (2011-06-14):
 # According to Kremlin press service, Russian President Dmitry Medvedev
diff --git a/share/zoneinfo/datfiles/leapseconds b/share/zoneinfo/datfiles/leapseconds
index bd79f161c6f..a87fb267558 100644
--- a/share/zoneinfo/datfiles/leapseconds
+++ b/share/zoneinfo/datfiles/leapseconds
@@ -1,4 +1,4 @@
-# $OpenBSD: leapseconds,v 1.28 2014/10/02 21:04:03 millert Exp $
+# $OpenBSD: leapseconds,v 1.29 2014/11/11 21:09:56 millert Exp $
 # Allowance for leap seconds added to each time zone file.
 
 # This file is in the public domain.
@@ -11,8 +11,8 @@
 # The NTP Timescale and Leap Seconds
 # http://www.eecis.udel.edu/~mills/leap.html
 
-# The International Earth Rotation Service periodically uses leap seconds
-# to keep UTC to within 0.9 s of UT1
+# The International Earth Rotation and Reference Systems Service
+# periodically uses leap seconds to keep UTC to within 0.9 s of UT1
 # (which measures the true angular orientation of the earth in space); see
 # Terry J Quinn, The BIPM and the accurate measure of time,
 # Proc IEEE 79, 7 (July 1991), 894-905 <http://dx.doi.org/10.1109/5.84965>.
diff --git a/share/zoneinfo/datfiles/northamerica b/share/zoneinfo/datfiles/northamerica
index 27c55b5269d..c56e4a9d554 100644
--- a/share/zoneinfo/datfiles/northamerica
+++ b/share/zoneinfo/datfiles/northamerica
@@ -1,4 +1,4 @@
-# $OpenBSD: northamerica,v 1.52 2014/10/22 21:45:50 millert Exp $
+# $OpenBSD: northamerica,v 1.53 2014/11/11 21:09:56 millert Exp $
 # This file is in the public domain, so clarified as of
 # 2009-05-17 by Arthur David Olson.
 
@@ -992,19 +992,19 @@ Zone America/Menominee	-5:50:27 -	LMT	1885 Sep 18 12:00
 ################################################################################
 
 
-# From Paul Eggert (2006-03-22):
-# A good source for time zone historical data outside the U.S. is
+# From Paul Eggert (2014-10-31):
+#
+# Unless otherwise specified, the source for data through 1990 is:
 # Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
 # San Diego: ACS Publications, Inc. (2003).
+# Unfortunately this book contains many errors and cites no sources.
 #
 # Gwillim Law writes that a good source
 # for recent time zone data is the International Air Transport
 # Association's Standard Schedules Information Manual (IATA SSIM),
 # published semiannually.  Law sent in several helpful summaries
-# of the IATA's data after 1990.
-#
-# Except where otherwise noted, Shanks & Pottenger is the source for
-# entries through 1990, and IATA SSIM is the source for entries afterwards.
+# of the IATA's data after 1990.  Except where otherwise noted,
+# IATA SSIM is the source for entries after 1990.
 #
 # Other sources occasionally used include:
 #
@@ -3132,13 +3132,17 @@ Zone America/Miquelon	-3:44:40 -	LMT	1911 May 15 # St Pierre
 # From Paul Eggert (2014-08-19):
 # The 2014-08-13 Cabinet meeting decided to stay on UTC-4 year-round.  See:
 # http://tcweeklynews.com/daylight-savings-time-to-be-maintained-p5353-127.htm
-# Model this as a switch from EST/EDT to AST on 2014-11-02 at 02:00.
+# Model this as a switch from EST/EDT to AST ...
+# From Chris Walton (2014-11-04):
+# ... the TCI government appears to have delayed the switch to
+# "permanent daylight saving time" by one year....
+# http://tcweeklynews.com/time-change-to-go-ahead-this-november-p5437-127.htm
 #
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone America/Grand_Turk	-4:44:32 -	LMT	1890
 			-5:07:11 -	KMT	1912 Feb # Kingston Mean Time
 			-5:00	-	EST	1979
-			-5:00	US	E%sT	2014 Nov  2  2:00
+			-5:00	US	E%sT	2015 Nov Sun>=1 2:00
 			-4:00	-	AST
 
 # British Virgin Is
diff --git a/share/zoneinfo/datfiles/southamerica b/share/zoneinfo/datfiles/southamerica
index 7a3dcd3b3d0..a47542fe1df 100644
--- a/share/zoneinfo/datfiles/southamerica
+++ b/share/zoneinfo/datfiles/southamerica
@@ -1,4 +1,4 @@
-# $OpenBSD: southamerica,v 1.54 2014/10/02 21:04:03 millert Exp $
+# $OpenBSD: southamerica,v 1.55 2014/11/11 21:09:56 millert Exp $
 # This file is in the public domain, so clarified as of
 # 2009-05-17 by Arthur David Olson.
 
@@ -7,23 +7,23 @@
 # tz@iana.org for general use in the future).  For more, please see
 # the file CONTRIBUTING in the tz distribution.
 
-# From Paul Eggert (2006-03-22):
-# A good source for time zone historical data outside the U.S. is
+# From Paul Eggert (2014-10-31):
+#
+# Unless otherwise specified, the source for data through 1990 is:
 # Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
 # San Diego: ACS Publications, Inc. (2003).
-#
-# For data circa 1899, a common source is:
-# Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94.
-# http://www.jstor.org/stable/1774359
+# Unfortunately this book contains many errors and cites no sources.
 #
 # Gwillim Law writes that a good source
 # for recent time zone data is the International Air Transport
 # Association's Standard Schedules Information Manual (IATA SSIM),
 # published semiannually.  Law sent in several helpful summaries
-# of the IATA's data after 1990.
+# of the IATA's data after 1990.  Except where otherwise noted,
+# IATA SSIM is the source for entries after 1990.
 #
-# Except where otherwise noted, Shanks & Pottenger is the source for
-# entries through 1990, and IATA SSIM is the source for entries afterwards.
+# For data circa 1899, a common source is:
+# Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94.
+# http://www.jstor.org/stable/1774359
 #
 # Earlier editions of these tables used the North American style (e.g. ARST and
 # ARDT for Argentine Standard and Daylight Time), but the following quote