Merged the latest timezone data file release.

Changed zones: Algeria, Egypt, Ghana, Libya, Morocco, Sierra Leone,
  South Africa, Sudan, Tunisia, Armenia, Myanmar, China, Taiwan, Hong
  Kong, Macao, Cyprus, Georgia, Iran, Israel, Jordan, Kazakhstan,
  Kirgizstan, Lebanon, Mongolia, the Phillippines, Syria, Tajikistan,
  Turkmenistan, Uzbekistan, Australia, Kiribati, New Caledonia, New
  Zealand, Vanuatu, the United Kingdom, Ireland, the Czech Republic,
  Finland, France, Greece, Hungary, Iceland, Italy, Luxembourg, the
  Netherlands, Norway, Portugal, Romania, Spain, Switzerland, Turkey,
  Canada, Mexico, the Bahamas, Barbados, Belize, Costa Rica, Cuba, the
  Dominican Republic, El Salvador, Guatemala, Haiti, Nicaragua,
  Brazil, the Falkland Islands, Paraguay

Deleted zones: Asia/Tomsk (superseded by Asia/Krasnoyarsk)

Added zones: Asia/Aktau (area formerly part of Asia/Alma-Ata);
  Asia/Krasnoyarsk (supersedes Asia/Tomsk); America/Glace_Bay (area
  formerly part of America/Halifax); America/Thunder_Bay,
  America/Nipigon, America/Rainy_River (areas formerly covered by
  America/Montreal); America/Swift_Current (area formerly part of
  America/Regina); America/Dawson_Creek (area formerly part of
  America/Vancouver); America/Pangnirtung, America/Iqaluit,
  America/Rankin_Inlet, America/Yellowknife, America/Inuvik,
  America/Dawson (areas formerly part of America/Whitehorse)

6 files changed, 470 insertions, 326 deletions

diff --git a/share/zoneinfo/africa b/share/zoneinfo/africa
index fd4c129..d49c0a2 100644
--- a/share/zoneinfo/africa
+++ b/share/zoneinfo/africa
@@ -1,4 +1,4 @@
-# @(#)africa	7.12
+# @(#)africa	7.13
 
 # This data is by no means authoritative; if you think you know better,
 # go ahead and edit the file (and please send any changes to
@@ -80,7 +80,6 @@
 
 # Algeria
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Algeria	1911	only	-	Jan	 1	 0:00s	0	-
 Rule	Algeria	1916	only	-	Jun	14	23:00s	1:00	" DST"
 Rule	Algeria	1916	1919	-	Oct	Sun<=7	23:00s	0	-
 Rule	Algeria	1917	only	-	Mar	24	23:00s	1:00	" DST"
@@ -240,7 +239,6 @@ Zone	Africa/Djibouti	2:52:36 -	LMT	1911 Jul
 
 # From Shanks (1991):
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Egypt	1900	only	-	Oct	 1	0:00	0	-
 Rule	Egypt	1940	only	-	Jul	15	0:00	1:00	" DST"
 Rule	Egypt	1940	only	-	Oct	 1	0:00	0	-
 Rule	Egypt	1941	only	-	Apr	15	0:00	1:00	" DST"
@@ -315,7 +313,6 @@ Zone	Africa/Banjul	-1:06:36 -	LMT	1912
 # WATDT is my invention for ``West Africa one-Third Daylight Time''.
 # From Shanks (1991):
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Ghana	1918	only	-	Jan	 1	0:00	0	WAT
 # Whitman says DST was observed from 1931 to ``the present''; go with Shanks.
 Rule	Ghana	1936	1942	-	Sep	 1	0:00	0:20	WATDT
 Rule	Ghana	1936	1942	-	Dec	31	0:00	0	WAT
@@ -400,7 +397,6 @@ Zone	Africa/Monrovia	-0:43:08 -	LMT	1882
 
 # From Shanks (1991):
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Libya	1920	only	-	Jan	 1	0:00	0	-
 Rule	Libya	1951	only	-	Oct	14	2:00	1:00	" DST"
 Rule	Libya	1952	only	-	Jan	 1	0:00	0	-
 Rule	Libya	1953	only	-	Oct	 9	2:00	1:00	" DST"
@@ -482,7 +478,6 @@ Zone	Indian/Mayotte	3:00:56 -	LMT	1911 Jul	# Mamoutzou
 
 # Morocco
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Morocco	1913	only	-	Oct	26	 0:00	0	-
 Rule	Morocco	1939	only	-	Sep	12	 0:00	1:00	" DST"
 Rule	Morocco	1939	only	-	Nov	19	 0:00	0	-
 Rule	Morocco	1940	only	-	Feb	25	 0:00	1:00	" DST"
@@ -594,7 +589,6 @@ Zone	Indian/Mahe	3:41:48 -	LMT	1906 Jun	# Victoria
 
 # Sierra Leone
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	SL	1913	only	-	Oct	26	0:00	0	-
 # Whitman gives Mar 31 - Aug 31 for 1931 on; go with Shanks.
 Rule	SL	1935	1942	-	Jun	 1	0:00	1:00	S
 Rule	SL	1935	1942	-	Oct	 1	0:00	0	-
@@ -622,7 +616,6 @@ Zone Africa/Mogadishu	3:01:28 -	LMT	1893 Nov
 
 # South Africa
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	SA	1892	only	-	Feb	8	0:00	0	-
 Rule	SA	1942	1943	-	Sep	Sun>=15	2:00	1:00	S
 Rule	SA	1943	1944	-	Mar	Sun>=15	2:00	0	-
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
@@ -641,7 +634,6 @@ Zone Africa/Johannesburg 1:52:00 -	LMT	1892 Feb 8
 # I verified this today by telephone with the Sudan Mission to the
 # United Nations: 212-573-6033
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Sudan	1931	only	-	Feb	 8	0:00	0	-
 Rule	Sudan	1970	only	-	May	 1	0:00	1:00	" DST"
 Rule	Sudan	1970	1985	-	Oct	15	0:00	0	-
 Rule	Sudan	1971	only	-	Apr	30	0:00	1:00	" DST"
@@ -680,7 +672,6 @@ Zone	Africa/Lome	0:04:52 -	LMT	1893
 
 # Tunisia
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Tunisia	1911	only	-	Mar	 9	 0:00	0	-
 Rule	Tunisia	1939	only	-	Apr	15	23:00s	1:00	" DST"
 Rule	Tunisia	1939	only	-	Nov	18	23:00s	0	-
 Rule	Tunisia	1940	only	-	Feb	25	23:00s	1:00	" DST"
diff --git a/share/zoneinfo/asia b/share/zoneinfo/asia
index 6f766f0..52bf5bc 100644
--- a/share/zoneinfo/asia
+++ b/share/zoneinfo/asia
@@ -1,4 +1,4 @@
-# @(#)asia	7.18
+# @(#)asia	7.23
 
 # This data is by no means authoritative; if you think you know better,
 # go ahead and edit the file (and please send any changes to
@@ -30,10 +30,11 @@
 #	3:00	AST ADT	Arabia*
 #	3:00	BSK BSD	Baku (was 4:00)*
 #	3:30	IST IDT	Iran
+#	4:00	AMST AMDT Armenia (was 3:00) (was YSK, YSD)*
 #	4:00	TBSK TBSD Tbilisi (was 3:00)*
-#	4:00	YSK YSD Yerevan (was 3:00)*
 #	4:00	GST GDT	Gulf*
 #	4:30	AFT	Afghanistan*
+#	5:00	ASK ASD	Aktau (was SHSK, SHSD)*
 #	5:00	ASK ASD	Ashkhabad (was 4:00)*
 #	5:00	BSK BSD Bishkek (was 6:00) (was FSK, FSD)*
 #	5:00	PKT	Pakistan*
@@ -69,11 +70,12 @@
 
 ###############################################################################
 
+# These rules for Russia are stolen from the `europe' file.
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Russia	1981	1984	-	Apr	1	0:00	1:00	D
-Rule	Russia	1981	1983	-	Oct	1	0:00	0	K
-Rule	Russia	1984	max	-	Sep	lastSun	2:00s	0	K
-Rule	Russia	1985	max	-	Mar	lastSun	2:00s	1:00	D
+Rule RussiaAsia 1981	1984	-	Apr	1	0:00	1:00	D
+Rule RussiaAsia 1981	1983	-	Oct	1	0:00	0	K
+Rule RussiaAsia 1984	max	-	Sep	lastSun	2:00s	0	K
+Rule RussiaAsia 1985	max	-	Mar	lastSun	2:00s	1:00	D
 
 # Afghanistan
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
@@ -84,12 +86,26 @@ Zone	Asia/Kabul	4:36:48 -	LMT	1890
 # ZONE-DESCR Asia Kabul Afghanistan All points
 
 # Armenia
+# From Paul Eggert (1996-05-04):
+# Shanks has Yerevan switching to 3:00 (with Russian DST) in spring 1991,
+# but usno1995 has Armenia at 4:00 (with DST), and Edgar Der-Danieliantz
+# <edd@AIC.NET> reported today that Yerevan probably won't use DST this year,
+# though it did use DST in 1995.  We guess Yerevan stayed in sync with Moscow
+# between 1990 and 1995, but stopped using DST in 1996.
+# Der-Danieliantz also asked for a better abbreviation than `YSK'
+# after independence.  Apparently no abbreviation is in common use;
+# use `AMST/AMDT' since `AM' is the ISO country code for Armenia.
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Armenia	1992	1995	-	Sep	lastSun	2:00s	0	S
+Rule	Armenia	1992	1995	-	Mar	lastSun	2:00s	1:00	D
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Yerevan	2:58:00 -	LMT	1924 May  2
 			3:00	-	YSK	1957 Mar
-			4:00	Russia	YS%s
-# Shanks has Yerevan switching to 3:00 (with Russian DST) in spring 1991,
-# but usno1995 has Armenia at 4:00 (with DST).  Ignore the 1991 switch for now.
+			4:00 RussiaAsia YS%s	1991 Mar 31 2:00s
+			3:00	1:00	YSD	1991 Sep 29 2:00s
+			3:00	-	AMST	1992 Jan 19 2:00s
+			4:00	Armenia	AM%sT	1996
+			4:00	-	AMST
 
 # ZONE-DESCR Asia Yerevan Armenia All points
 
@@ -97,7 +113,7 @@ Zone	Asia/Yerevan	2:58:00 -	LMT	1924 May  2
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Baku	3:19:24 -	LMT	1924 May  2
 			3:00	-	BSK	1957 Mar
-			4:00	Russia	BS%s	1991 Mar 31 2:00s
+			4:00 RussiaAsia BS%s	1991 Mar 31 2:00s
 			3:00	1:00	BSD	1991 Sep 29 2:00s
 			3:00	-	BSK
 # Shanks has Baku using Russian DST rules after 1991,
@@ -149,7 +165,7 @@ Zone	Asia/Brunei	7:39:40 -	LMT	1926 Mar   # Bandar Seri Begawan
 
 # Burma / Myanmar
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
-Zone	Asia/Rangoon	6:24:40 -	LMT	1880
+Zone	Asia/Rangoon	6:24:40 -	LMT	1880		# or Yangon
 			6:25	-	RMT	1920
 			6:30	-	BMT	1942 May
 			9:00	-	JST	1945 May 3
@@ -199,7 +215,6 @@ Zone	Asia/Phnom_Penh	6:59:40 -	LMT	1906 Jun  9
 
 # From Shanks (1991):
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Shang	1928	only	-	Jan	 1	0:00	0	S
 Rule	Shang	1940	only	-	Jun	 3	0:00	1:00	D
 Rule	Shang	1940	1941	-	Oct	 1	0:00	0	S
 Rule	Shang	1941	only	-	Mar	16	0:00	1:00	D
@@ -240,7 +255,6 @@ Zone	Asia/Kashgar	5:03:56	-	LMT	1928
 # Republic of China
 
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Taiwan	1896	only	-	Jan	1	0:00	0	S
 Rule	Taiwan	1945	1951	-	May	1	0:00	1:00	D
 Rule	Taiwan	1945	1951	-	Oct	1	0:00	0	S
 Rule	Taiwan	1952	only	-	Mar	1	0:00	1:00	D
@@ -261,7 +275,6 @@ Zone	Asia/Taipei	8:06:00 -	LMT	1896
 ###############################################################################
 # Hong Kong
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	HK	1904	only	-	Oct	30	0:00	0	-
 Rule	HK	1946	only	-	Apr	20	3:30	1:00	S
 Rule	HK	1946	only	-	Dec	1	3:30	0	-
 Rule	HK	1947	only	-	Apr	13	3:30	1:00	S
@@ -285,7 +298,6 @@ Zone	Asia/Hong_Kong	7:36:36 -	LMT	1904 Oct 30
 
 # Macao
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Macao	1912	only	-	Jan	1	0:00	0	S
 Rule	Macao	1961	1962	-	Mar	Sun>=16	3:30	1:00	D
 Rule	Macao	1961	1964	-	Nov	Sun>=1	3:30	0	S
 Rule	Macao	1963	only	-	Mar	Sun>=16	0:00	1:00	D
@@ -310,7 +322,6 @@ Zone	Asia/Macao	7:34:20 -	LMT	1912
 
 # Cyprus
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Cyprus	1921	only	-	Nov	14	0:00	0	-
 Rule	Cyprus	1975	only	-	Apr	13	0:00	1:00	" DST"
 Rule	Cyprus	1975	only	-	Oct	12	0:00	0	-
 Rule	Cyprus	1976	only	-	May	15	0:00	1:00	" DST"
@@ -341,9 +352,9 @@ Zone	Asia/Nicosia	2:13:28 -	LMT	1921 Nov 14
 Zone	Asia/Tbilisi	2:59:16 -	LMT	1880
 			2:59	-	LST	1924 May  2
 			3:00	-	TBSK	1957 Mar
-			4:00	Russia	TBS%s	1991 Mar 31 2:00s
+			4:00 RussiaAsia TBS%s	1991 Mar 31 2:00s
 			3:00	1:00	TBSD	1991 Sep 29 2:00s
-			3:00	Russia	TBS%s	1994 Sep 25 2:00s
+			3:00 RussiaAsia TBS%s	1994 Sep 25 2:00s
 			4:00	-	TBSK
 
 # ZONE-DESCR Asia Tbilisi Georgia All points
@@ -390,7 +401,6 @@ Zone Asia/Jayapura	9:22:48 -	LMT	1932 Nov
 
 # Iran
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Iran	1977	only	-	Nov	1	0:00	0	S
 Rule	Iran	1978	1980	-	Mar	21	0:00	1:00	D
 Rule	Iran	1978	only	-	Oct	21	0:00	0	S
 Rule	Iran	1979	only	-	Sep	19	0:00	0	S
@@ -435,7 +445,6 @@ Zone	Asia/Baghdad	2:57:40	-	LMT	1890
 
 # From Shanks (1991):
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Zion	1918	only	-	Jan	 1	0:00	0	S
 Rule	Zion	1940	only	-	Jun	 1	0:00	1:00	D
 Rule	Zion	1942	1944	-	Nov	 1	0:00	0	S
 Rule	Zion	1943	only	-	Apr	 1	2:00	1:00	D
@@ -601,7 +610,6 @@ Zone	Asia/Tokyo	9:19:04	-	LMT	1896
 # Most likely Shanks is merely guessing dates from 1992 on.
 # From Shanks (1991):
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule    Jordan	1931	only	-	Jan	1	0:00	0	-
 Rule    Jordan	1973	only	-	Jun	6	0:00	1:00	" DST"
 Rule    Jordan	1973	1975	-	Oct	1	0:00	0	-
 Rule    Jordan	1974	1977	-	May	1	0:00	1:00	" DST"
@@ -626,23 +634,34 @@ Zone	Asia/Amman	2:23:44 -	LMT	1931
 # ZONE-DESCR Asia Amman Jordan All points
 
 # Kazakhstan
-# From Shanks (1991):
+# From Paul Eggert (1996-04-19):
+# Andrew Evtichov <evti@chevron.com> (1996-04-13) writes that Kazakhstan
+# stayed in sync with Moscow after 1990, and that Aktau is the biggest city
+# in western Kazakhstan.  Follow Shanks before 1991, Evtichov afterwards.
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
-Zone	Asia/Alma-Ata	5:07:48 -	LMT	1924 May  2
+Zone	Asia/Alma-Ata	5:07:48 -	LMT	1924 May  2 # or Almaty
 			5:00	-	AASK	1957 Mar
-			6:00	Russia	AAS%s
-# Shanks has Alma-Ata switching to 5:00 in 1991,
-# but usno1995 has Kazakhstan at 6:00.  Ignore the 1991 switch for now.
-
-# ZONE-DESCR Asia Alma-Ata Kazakhstan All points
+			6:00 RussiaAsia AAS%s	1991 Mar 31 2:00s
+			5:00	1:00	AASD	1991 Sep 29 2:00s
+			5:00	-	AASK	1992 Jan 19 2:00s
+			6:00 RussiaAsia AAS%s
+Zone	Asia/Aktau	3:21:04	-	LMT	1924 May  2 # or Aqtau
+			4:00	-	SHSK	1957 Mar # Fort Shevchenko
+			5:00 RussiaAsia SHS%s	1991 Mar 31 2:00s
+			4:00	1:00	ASD	1991 Sep 29 2:00s
+			4:00	-	ASK	1992 Jan 19 2:00s
+			5:00 RussiaAsia AS%s
+
+# ZONE-DESCR Asia Alma-Ata Kazakhstan All points except:
+# ZONE-DESCR Asia Aktau Kazakhstan Aktau
 
 # Kirgizstan
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Bishkek	4:58:24 -	LMT	1924 May  2
 			5:00	-	FSK	1957 Mar	# Frunze
-			6:00	Russia	FS%s	1991 Mar 31 2:00s
+			6:00 RussiaAsia FS%s	1991 Mar 31 2:00s
 			5:00	1:00	FSD	1991 Sep 29 2:00s
-			5:00	Russia	BS%s
+			5:00 RussiaAsia BS%s
 
 # ZONE-DESCR Asia Bishkek Kirgizstan All points
 
@@ -703,7 +722,6 @@ Zone	Asia/Vientiane	6:50:24 -	LMT	1906 Jun  9
 
 # Lebanon
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Lebanon	1880	only	-	Jan	1	0:00	0	-
 Rule	Lebanon	1920	only	-	Mar	28	0:00	1:00	" DST"
 Rule	Lebanon	1920	only	-	Oct	25	0:00	0	-
 Rule	Lebanon	1921	only	-	Apr	3	0:00	1:00	" DST"
@@ -752,10 +770,12 @@ Zone	Indian/Maldives	4:54:00 -	LMT	1880			# Male
 # ZONE-DESCR Indian Maldives Maldives All points
 
 # Mongolia
+# Shanks says that Mongolia has three time zones,
+# but usno1995 and http://www.odci.gov/cia/publications/95fact/802389h.gif
+# both say that it has just one.
 # Let's comment out the western and eastern Mongolian time zones
 # till we know what their principal towns are.
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Mongol	1978	only	-	Jan	1	0:00	0	S
 Rule	Mongol	1981	1984	-	Apr	1	0:00	1:00	T
 Rule	Mongol	1981	1984	-	Oct	1	0:00	0	S
 Rule	Mongol	1985	max	-	Mar	lastSun	2:00	1:00	T
@@ -801,16 +821,16 @@ Zone	Asia/Karachi	4:28:12 -	LMT	1907
 # Palestine
 # These rules for Egypt are stolen from the `africa' file.
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Egypt	1957	only	-	May	10	0:00	1:00	" DST"
-Rule	Egypt	1957	1958	-	Oct	 1	0:00	0	-
-Rule	Egypt	1958	only	-	May	 1	0:00	1:00	" DST"
-Rule	Egypt	1959	1981	-	May	 1	1:00	1:00	" DST"
-Rule	Egypt	1959	1965	-	Sep	30	3:00	0	-
-Rule	Egypt	1966	max	-	Oct	 1	3:00	0	-
+Rule EgyptAsia	1957	only	-	May	10	0:00	1:00	" DST"
+Rule EgyptAsia	1957	1958	-	Oct	 1	0:00	0	-
+Rule EgyptAsia	1958	only	-	May	 1	0:00	1:00	" DST"
+Rule EgyptAsia	1959	1981	-	May	 1	1:00	1:00	" DST"
+Rule EgyptAsia	1959	1965	-	Sep	30	3:00	0	-
+Rule EgyptAsia	1966	max	-	Oct	 1	3:00	0	-
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Gaza	2:17:52	-	LMT	1900 Oct
 			2:00	-	EET	1957 May 10
-			2:00	Egypt	EET%s	1967 Jun 30
+			2:00 EgyptAsia	EET%s	1967 Jun 30
 			2:00	Zion	I%sT
 # This will undoubtedly change soon.
 
@@ -821,7 +841,6 @@ Zone	Asia/Gaza	2:17:52	-	LMT	1900 Oct
 # Howse writes (p 162) that until 1844 the Philippines kept American date.
 # The rest of this data is from Shanks.
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Phil	1899	only	-	May	11	0:00	0	S
 Rule	Phil	1936	only	-	Nov	1	0:00	1:00	D
 Rule	Phil	1937	only	-	Feb	1	0:00	0	S
 Rule	Phil	1954	only	-	Apr	12	0:00	1:00	D
@@ -881,7 +900,6 @@ Zone	Asia/Colombo	5:19:24 -	LMT	1880
 
 # Syria
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Syria	1920	only	-	Jan	1	0:00	0	-
 Rule	Syria	1920	1923	-	Apr	Sun>=15	2:00	1:00	" DST"
 Rule	Syria	1920	1923	-	Oct	Sun>=1	2:00	0	-
 Rule	Syria	1962	only	-	Apr	29	2:00	1:00	" DST"
@@ -915,7 +933,7 @@ Zone	Asia/Damascus	2:25:12 -	LMT	1920
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Dushanbe	4:35:12 -	LMT	1924 May  2
 			5:00	-	DSK	1957 Mar
-			6:00	Russia	DS%s	1991
+			6:00 RussiaAsia DS%s	1991
 			6:00	-	DSK
 # Shanks has Dushanbe at 5:00 (6:00 summer) after 1991 Sep 29 3:00,
 # but usno1995 has it at 6:00.  Go with usno1995.
@@ -934,7 +952,7 @@ Zone	Asia/Bangkok	6:42:04	-	LMT	1880
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Ashkhabad	3:53:32 -	LMT	1924 May  2
 			4:00	-	ASK	1957 Mar
-			5:00	Russia	AS%s	1991
+			5:00 RussiaAsia AS%s	1991
 			5:00	-	ASK
 # Shanks has Ashkhabad at 4:00 (5:00 summer) after 1991 Sep 20 3:00,
 # but usno has it at 5:00.  Go with usno1995.
@@ -952,11 +970,13 @@ Zone	Asia/Dubai	3:41:12 -	LMT	1920
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Tashkent	4:37:12 -	LMT	1924 May  2
 			5:00	-	TSK	1957 Mar
-			6:00	Russia	TS%s	1991 Mar 31 2:00s
+			6:00 RussiaAsia TS%s	1991 Mar 31 2:00s
 			5:00	1:00	TSD	1991 Sep 29 2:00s
 			5:00	-	TSK
 # Shanks has Tashkent using DST after 1991, but usno1995 says they don't.
 # Go with usno1995.
+# http://www.odci.gov/cia/publications/95fact/802389h.gif claims that
+# Uzbekistan has two time zones, but we lack data about this.
 
 # ZONE-DESCR Asia Tashkent Uzbekistan All points
 
diff --git a/share/zoneinfo/australasia b/share/zoneinfo/australasia
index 5361836..da70bc5 100644
--- a/share/zoneinfo/australasia
+++ b/share/zoneinfo/australasia
@@ -1,4 +1,4 @@
-# @(#)australasia	7.25
+# @(#)australasia	7.27
 # This file also includes Pacific islands.
 
 # Notes are at the end of this file
@@ -8,7 +8,6 @@
 # Australia
 
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Aus	1895	only	-	Jan	 1	0:00	0	-
 # Shanks gives 1917 Jan 1 0:01; go with Whitman (and guess 2:00).
 Rule	Aus	1916	only	-	Oct	 1	2:00	1:00	-
 Rule	Aus	1917	only	-	Mar	25	2:00	0	-
@@ -246,10 +245,6 @@ Zone Pacific/Johnston	-10:00	-	HST
 # uninhabited
 
 # Kiribati
-# From Paul Eggert (1996-01-22):
-# Today's _Wall Street Journal_ (page 1) reports that Kiribati
-# ``declared it the same day throught the country as of Jan. 1, 1995''
-# as part of the competition to be first into the 21st century.
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone Pacific/Tarawa	 11:32:04 -	LMT	1901		# Bairiki
 			 12:00	-	NZST
@@ -284,8 +279,7 @@ Zone Pacific/Yap	9:12:32	-	LMT	1901		# Colonia
 			9:00	-	PLT	1969 Oct
 			10:00	-	GST
 Zone Pacific/Truk	10:07:08 -	LMT	1901
-			10:00	-	GST	1978 Oct
-			11:00	-	NCST
+			10:00	-	GST
 Zone Pacific/Ponape	10:32:52 -	LMT	1901		# Kolonia
 			11:00	-	NCST
 Zone Pacific/Kosrae	10:51:56 -	LMT	1901
@@ -314,7 +308,6 @@ Zone	Pacific/Nauru	11:07:40 -	LMT	1921 Jan 15	# Uaobe
 
 # New Caledonia
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	NC	1912	only	-	Jan	13	0:00	0	S
 Rule	NC	1977	1978	-	Dec	Sun>=1	0:00	1:00	D
 Rule	NC	1978	1979	-	Feb	27	0:00	0	S
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
@@ -328,7 +321,6 @@ Zone	Pacific/Noumea	11:05:48 -	LMT	1912 Jan 13
 # New Zealand
 
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	NZ	1868	only	-	Jan	1	0:00	0	S
 # Shanks gives 1927 Nov 6 - 1928 Mar 4, 1928 Oct 14 - 1929 Mar 17,
 # 1929 Oct 13 - 1930 Mar 16; go with Whitman.
 Rule	NZ	1927	only	-	Nov	26	2:00	0:30	HD
@@ -439,10 +431,6 @@ Zone	Pacific/Fakaofo	-11:24:56 -	LMT	1901
 # ZONE-DESCR Pacific Fakaofo Tokelau_Island All points
 
 # Tonga
-# From Paul Eggert (1996-01-22):
-# Today's _Wall Street Journal_ (page 1) reports that ``Tonga has been plotting
-# to sneak ahead of [New Zealanders] by introducing daylight-saving time.''
-# But since Kiribati has moved the Date Line it's not clear what Tonga will do.
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone Pacific/Tongatapu	12:19:20 -	LMT	1901
 			12:20	-	TMT	1968 Oct
@@ -459,7 +447,6 @@ Zone Pacific/Funafuti	11:56:52 -	LMT	1901
 
 # Vanuatu
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Vanuatu	1912	only	-	Jan	13	0:00	0	S
 Rule	Vanuatu	1983	only	-	Sep	25	0:00	1:00	D
 Rule	Vanuatu	1984	1991	-	Mar	Sun>=23	0:00	0	S
 Rule	Vanuatu	1984	only	-	Oct	23	0:00	1:00	D
@@ -921,6 +908,13 @@ Zone	Pacific/Wallis	12:15:20 -	LMT	1901
 
 # Johnston data is from usno1995.
 
+# Kiribati
+
+# From Paul Eggert (1996-01-22):
+# Today's _Wall Street Journal_ (page 1) reports that Kiribati
+# ``declared it the same day throught the country as of Jan. 1, 1995''
+# as part of the competition to be first into the 21st century.
+
 # Kwajalein
 
 # In comp.risks 14.87 (26 August 1993), Peter Neumann writes:
@@ -936,9 +930,25 @@ Zone	Pacific/Wallis	12:15:20 -	LMT	1901
 # (now called the Marianas) kept American date for quite some time.
 # Ignore this for now, as we have no hard data.  See also Asia/Manila.
 
+# Micronesia
+
+# Alan Eugene Davis <adavis@kuentos.guam.net> writes (1996-03-16),
+# ``I am certain, having lived there for the past decade, that "Truk"
+# (now properly known as Chuuk) ... is in the time zone GMT+10.''
+#
+# Shanks writes that Truk switched from GMT+10 to GMT+11 on 1978-10-01;
+# ignore this for now.
+
 # Samoa
 
 # Howse writes that in 1879 the King of Samoa decided to change
 # ``the date in his kingdom from the Antipodean to the American system,
 # ordaining -- by a masterpiece of diplomatic flattery -- that
 # the Fourth of July should be celebrated twice in that year.''
+
+# Tonga
+
+# From Paul Eggert (1996-01-22):
+# Today's _Wall Street Journal_ (p 1) reports that ``Tonga has been plotting
+# to sneak ahead of [New Zealanders] by introducing daylight-saving time.''
+# Since Kiribati has moved the Date Line it's not clear what Tonga will do.
diff --git a/share/zoneinfo/europe b/share/zoneinfo/europe
index d64dc02..c4bac08 100644
--- a/share/zoneinfo/europe
+++ b/share/zoneinfo/europe
@@ -1,4 +1,4 @@
-# @(#)europe	7.32
+# @(#)europe	7.38
 
 # This data is by no means authoritative; if you think you know better,
 # go ahead and edit the file (and please send any changes to
@@ -36,7 +36,7 @@
 #	 5:00	ESK ESD	Yekaterinburg (was 4:00) (was SSK, SSD)*
 #	 6:00	OSK OSD	Omsk (was 5:00)*
 #	 6:00	NSK NSD	Novosibirsk (was 7:00)
-#	 7:00	TSK TSD	Tomsk (was 6:00)*
+#	 7:00	KRSK KRSD Krasnoyarsk (was 6:00)
 #	 8:00	ISK ISD	Irkutsk (was 7:00)*
 #	 9:00	YSK YSD	Yakutsk (was 8:00)*
 #	10:00	VSK VSD	Vladivostok (was 9:00)*
@@ -125,6 +125,15 @@
 # transition date for London, namely 1847 Sep 22.  We don't know as much
 # about Dublin, so we use 1880 Aug 2, the legal transition time.
 
+# From Paul Eggert (1996-06-12):
+# Summer Time was first seriously proposed by William Willett (1857-1915),
+# a London builder who circulated a pamphlet ``Waste of Daylight'' (1907)
+# that proposed advancing clocks 20 minutes on each of four Sundays in April,
+# and retarding them by the same amount on four Sundays in September.
+# A bill was drafted in 1909 and introduced in Parliament several times,
+# but it met with ridicule and opposition, especially from farming interests.
+# One-hour Summer Time was eventually adopted as a wartime measure in 1916.
+
 # From Arthur David Olson (January 19, 1989):
 #
 # A source at the British Information Office in New York avers that it's
@@ -418,6 +427,22 @@
 # who provided the wartime regulations and a snippet of Hansard explaining
 # why double summer time started on a Monday in 1945 (it was Easter).
 
+# From Peter Ilieve <peter@aldie.co.uk> (1996-05-29):
+# I have now got a copy of the British Standard Time Act 1968.
+# It says (S4(2)) that it expires at 02:00 GMT on 31 October 1971 unless
+# an Order in Council was passed in Parliament to make the Act permanent.
+# No Order was passed, so 02:00 1971-10-31 it is...
+#
+# Interestingly, it says baldly `This Act shall come into force on
+# 27 October 1968', without giving a time. As S1 of the Act merely
+# stated that `The time for general purposes in the United Kingdom
+# (to be known as British standard time) shall be one hour in
+# advance of Greenwich mean time throughout the year; ...' you could
+# possibly argue that the start time of BStandardT was 00:00 1968-10-27,
+# especially as the Act repealed the Summer Time Acts 1916--1947 in toto,
+# thereby destroying the authority of the Summer Time Order specifying
+# summer time in 1968....
+
 # From Peter Ilieve <peter@memex.co.uk> (November 18, 1993)
 #
 # Here is a revised version of my tabrules file for the perl script I sent
@@ -600,6 +625,11 @@
 # 1995-97 is now in place.  The Summer Time Order 1994 (SI 1994/2798)
 # came into force on 16 November.  It restates the dates from the EC
 # seventh Summer Time Directive....
+#
+# From Peter Ilieve <peter@aldie.co.uk> (1996-04-20):
+# Proposals for the eighth directive were supposed to have been produced
+# by the Commission by 1 Jan 96. They have not yet appeared (I asked just
+# before Easter).
 
 # From Peter Ilieve <peter@memex.co.uk> (March 28, 1994):
 # The [GB-Eire] end date of 22 October [1995] conflicts with your current rule
@@ -612,7 +642,7 @@
 # To maintain strict historical accuracy you could start a new UK ending rule
 # of Oct Sun>=22 in 1990.
 
-# From Paul Eggert <eggert@twinsun.com> (November 18, 1993):
+# From Paul Eggert <eggert@twinsun.com> (1996-06-12):
 #
 # As Ilieve remarks, the date `20 April 1924' in the table of ``Summer Time: A
 # Consultation Document'' (Cm 722, 1989) table is a transcription error;
@@ -632,17 +662,29 @@
 # It actually just had one transition.
 #     * Northern Ireland used single daylight savings time throughout WW II.
 # Actually, it conformed to Britain.
+#     * GB-Eire changed standard time to 1 hour ahead of GMT on 1968-02-18.
+# Actually, that date saw the usual switch to summer time.
+# Standard time was not changed until 1968-10-27 (the clocks didn't change).
 #
-# The following claim by Shanks is possible though doubtful;
-# we'll ignore it for now.
+# The following claims by Shanks are possible though doubtful;
+# we'll ignore them for now.
 #     * Jersey, Guernsey, and the Isle of Man did not switch from GMT
 #	to daylight savings time until 1921 Apr 3, when they began to
 #	conform with Great Britain.
+#     * Dublin's 1971-10-31 switch was at 02:00, even though London's was 03:00.
+#
 #
 # Whitman says Dublin Mean Time was -0:25:21, which is more precise than Shanks.
 
+# From an anonymous contributor (1996-06-02):
+# The law governing time in Ireland is under Statutory Instrument SI 395/94,
+# which gives force to European Union 7th Council Directive # 94/21/EC.
+# Under this directive, the Minister for Justice in Ireland makes appropriate
+# regulations. I spoke this morning with the Secretary of the Department of
+# Justice (tel +353 1 678 9711) who confirmed to me that the correct name is
+# "Irish Summer Time", abbreviated to "IST".
+
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	GB-Eire 1847	only	-	Sep	22	0:00	0	GMT
 # 1916 to 1925--irregular
 Rule	GB-Eire	1916	only	-	May	21	2:00s	1:00	BST
 Rule	GB-Eire	1916	only	-	Oct	 1	2:00s	0	GMT
@@ -706,43 +748,44 @@ Rule	GB-Eire	1958	1959	-	Apr	Sun>=16	2:00s	1:00	BST
 Rule	GB-Eire	1960	only	-	Apr	10	2:00s	1:00	BST
 Rule	GB-Eire	1961	1963	-	Mar	lastSun	2:00s	1:00	BST
 Rule	GB-Eire	1964	1967	-	Mar	Sun>=19	2:00s	1:00	BST
+Rule	GB-Eire	1968	only	-	Feb	18	2:00s	1:00	BST
 Rule	GB-Eire	1972	1980	-	Mar	Sun>=16	2:00s	1:00	BST
 # 1953 to 1980, ending rules
 Rule	GB-Eire	1953	1960	-	Oct	Sun>=1	2:00s	0	GMT
-Rule	GB-Eire	1961	1967	-	Oct	Sun>=23	2:00s	0	GMT
-Rule	GB-Eire	1971	only	-	Oct	31	3:00	0	GMT
+Rule	GB-Eire	1961	1968	-	Oct	Sun>=23	2:00s	0	GMT
 Rule	GB-Eire	1972	1980	-	Oct	Sun>=23	2:00s	0	GMT
 # 1981 on
 Rule	GB-Eire	1981	1995	-	Mar	lastSun	1:00u	1:00	BST
 Rule	GB-Eire 1981	1989	-	Oct	Sun>=23	1:00u	0	GMT
 Rule	GB-Eire 1990	1995	-	Oct	Sun>=22	1:00u	0	GMT
-# See EC for rules starting in 1996.
+# See EU for rules starting in 1996.
 
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone	Europe/London	-0:01:15 -	LMT	1847 Sep 22
-			 0:00	GB-Eire	%s	1968 Feb 18 2:00
-			 1:00	-	BST	1971 Oct 31 2:00
+			 0:00	GB-Eire	%s	1968 Oct 27
+			 1:00	-	BST	1971 Oct 31 2:00u
 			 0:00	GB-Eire	%s	1996
-			 0:00	EC	GMT/BST
+			 0:00	EU	GMT/BST
 Zone	Europe/Belfast	-0:23:40 -	LMT	1880 Aug  2
 			-0:25:21 -	DMT	1916 May 21 2:00    # Dublin MT
 			-0:25:21 1:00	DST	1916 Oct  1 3:00
-			 0:00	GB-Eire	%s	1968 Feb 18 2:00
-			 1:00	-	BST	1971 Oct 31 3:00
+			 0:00	GB-Eire	%s	1968 Oct 27
+			 1:00	-	BST	1971 Oct 31 2:00u
 			 0:00	GB-Eire	%s	1996
-			 0:00	EC	GMT/BST
+			 0:00	EU	GMT/BST
 Zone	Europe/Dublin	-0:25:21 -	LMT	1880 Aug  2
 			-0:25:21 -	DMT	1916 May 21 2:00    # Dublin MT
 			-0:25:21 1:00	DST	1916 Oct  1 3:00
-			 0:00	GB-Eire	%s	1940 Feb 25 2:00
-			 0:00	1:00	BST	1946 Oct  6 2:00
+			 0:00	GB-Eire	%s	1921 Dec  6
+			 0:00	GB-Eire	GMT/IST	1940 Feb 25 2:00
+			 0:00	1:00	IST	1946 Oct  6 2:00
 			 0:00	-	GMT	1947 Mar 16 2:00
-			 0:00	1:00	BST	1947 Nov  2 2:00
+			 0:00	1:00	IST	1947 Nov  2 2:00
 			 0:00	-	GMT	1948 Apr 18 2:00
-			 0:00	GB-Eire	%s	1968 Feb 18 2:00
-			 1:00	-	BST	1971 Oct 31 3:00
-			 0:00	GB-Eire	%s	1996
-			 0:00	EC	GMT/BST
+			 0:00	GB-Eire	GMT/IST	1968 Oct 27
+			 1:00	-	IST	1971 Oct 31 2:00u
+			 0:00	GB-Eire	GMT/IST	1996
+			 0:00	EU	GMT/IST
 
 # ZONE-DESCR Europe London United_Kingdom All points except N. Ireland
 # ZONE-DESCR Europe Belfast United_Kingdom Northern Ireland
@@ -752,19 +795,18 @@ Zone	Europe/Dublin	-0:25:21 -	LMT	1880 Aug  2
 
 # Continental Europe
 
-# EC rules are for the European Community.
+# EU rules are for the European Union, previously known as the EC, EEC,
+# Common Market, etc.
 
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	EC	1800	only	-	Jan	 1	 0:00	0	-
-Rule	EC	1977	1980	-	Apr	Sun>=1	 1:00u	1:00	" DST"
-Rule	EC	1977	only	-	Sep	lastSun	 1:00u	0	-
-Rule	EC	1978	only	-	Oct	 1	 1:00u	0	-
-Rule	EC	1979	1995	-	Sep	lastSun	 1:00u	0	-
-Rule	EC	1981	max	-	Mar	lastSun	 1:00u	1:00	" DST"
-Rule	EC	1996	max	-	Oct	lastSun	 1:00u	0	-
-
-# W-Eur differs from EC only in that W-Eur uses standard time.
-Rule	W-Eur	1800	only	-	Jan	 1	 0:00	0	-
+Rule	EU	1977	1980	-	Apr	Sun>=1	 1:00u	1:00	" DST"
+Rule	EU	1977	only	-	Sep	lastSun	 1:00u	0	-
+Rule	EU	1978	only	-	Oct	 1	 1:00u	0	-
+Rule	EU	1979	1995	-	Sep	lastSun	 1:00u	0	-
+Rule	EU	1981	max	-	Mar	lastSun	 1:00u	1:00	" DST"
+Rule	EU	1996	max	-	Oct	lastSun	 1:00u	0	-
+
+# W-Eur differs from EU only in that W-Eur uses standard time.
 Rule	W-Eur	1977	1980	-	Apr	Sun>=1	 1:00s	1:00	" DST"
 Rule	W-Eur	1977	only	-	Sep	lastSun	 1:00s	0	-
 Rule	W-Eur	1978	only	-	Oct	 1	 1:00s	0	-
@@ -773,18 +815,13 @@ Rule	W-Eur	1981	max	-	Mar	lastSun	 1:00s	1:00	" DST"
 Rule	W-Eur	1996	max	-	Oct	lastSun	 1:00s	0	-
 
 # Older M-Eur rules are for convenience in the tables.
-# From 1977 on, M-Eur differs from EC only in that M-Eur uses standard time.
-Rule	M-Eur	1800	only	-	Jan	 1	 0:00	0	-
+# From 1977 on, M-Eur differs from EU only in that M-Eur uses standard time.
 Rule	M-Eur	1916	only	-	Apr	30	23:00	1:00	" DST"
 Rule	M-Eur	1916	only	-	Oct	 1	 1:00	0	-
 Rule	M-Eur	1917	1918	-	Apr	Mon>=15	 2:00s	1:00	" DST"
 Rule	M-Eur	1917	1918	-	Sep	Mon>=15	 2:00s	0	-
 Rule	M-Eur	1940	only	-	Apr	 1	 2:00s	1:00	" DST"
-# Shanks says DST was continuous from 1940 Apr 1 to 1942 Nov 2; go with Whitman.
-Rule	M-Eur	1940	only	-	Dec	31	 2:00s	0	-
-Rule	M-Eur	1941	only	-	Feb	25	 2:00s	1:00	" DST"
-Rule	M-Eur	1941	only	-	Oct	 5	 2:00s	0	-
-Rule	M-Eur	1942	only	-	Jan	 1	 2:00s	1:00	" DST"
+# Whitman says 1941 DST was only from Feb 25 to Oct 5; go with Shanks.
 Rule	M-Eur	1942	only	-	Nov	 2	 2:00s	0	-
 Rule	M-Eur	1943	only	-	Mar	29	 2:00s	1:00	" DST"
 Rule	M-Eur	1943	only	-	Oct	 4	 2:00s	0	-
@@ -799,7 +836,6 @@ Rule	M-Eur	1981	max	-	Mar	lastSun	 2:00s	1:00	" DST"
 Rule	M-Eur	1996	max	-	Oct	lastSun	 2:00s	0	-
 
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Russia	1880	only	-	Jan	 1	 0:00	0	-
 Rule	Russia	1917	only	-	Jul	 1	23:00	1:00	" DST"
 Rule	Russia	1917	only	-	Dec	28	 0:00	0	-
 Rule	Russia	1918	only	-	May	31	22:00	2:00	" DDST"
@@ -822,9 +858,9 @@ Rule	Russia	1985	max	-	Mar	lastSun	 2:00s	1:00	D
 # These are for backward compatibility with older versions.
 
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
-Zone	WET		0:00	EC	WET%s
+Zone	WET		0:00	EU	WET%s
 Zone	MET		1:00	M-Eur	MET%s
-Zone	EET		2:00	EC	EET%s
+Zone	EET		2:00	EU	EET%s
 
 # Tom Hoffman says that MET is also known as Central European Time
 
@@ -863,7 +899,7 @@ Zone	Europe/Tirane	1:19:20 -	LMT	1914
 			1:00	-	MET	1940 Jun 16
 			1:00	Albania	MET%s	1985 Mar 31 1:00
 			1:00	W-Eur	MET%s
-#			This may change to `EC' soon.
+#			This may change to `EU' soon.
 
 # ZONE-DESCR Europe Tirane Albania All points
 
@@ -872,13 +908,12 @@ Zone	Europe/Tirane	1:19:20 -	LMT	1914
 Zone	Europe/Andorra	0:06:04 -	LMT	1901
 			0:00	-	WET	1946 Sep 30
 			1:00	-	MET	1985 Mar 31 2:00
-			1:00	EC	MET%s
+			1:00	EU	MET%s
 
 # ZONE-DESCR Europe Andorra Andorra All points
 
 # Austria
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Austria	1918	only	-	Jun	16	3:00	0	-
 Rule	Austria	1920	only	-	Apr	 5	2:00s	1:00	" DST"
 Rule	Austria	1920	only	-	Sep	13	2:00s	0	-
 Rule	Austria	1945	only	-	Apr	 2	2:00s	1:00	" DST"
@@ -893,7 +928,7 @@ Zone	Europe/Vienna	1:05:20 -	LMT	1893 Apr
 			1:00	Austria	MET%s	1940 Apr  1 2:00
 			1:00	M-Eur	MET%s	1945 Apr  2 2:00
 			1:00	Austria	MET%s	1981
-			1:00	EC	MET%s
+			1:00	EU	MET%s
 
 # ZONE-DESCR Europe Vienna Austria All points
 
@@ -906,7 +941,7 @@ Zone	Europe/Minsk	1:50:16 -	LMT	1880
 			3:00	Russia	MS%s	1991 Mar 31 2:00s
 			2:00	1:00  "EET DST"	1991 Sep 29 2:00s
 			2:00	M-Eur	EET%s
-#			This may change to `EC' soon.
+#			This may change to `EU' soon.
 
 # ZONE-DESCR Europe Minsk Belarus All points
 
@@ -956,7 +991,7 @@ Zone	Europe/Brussels	0:17:20 -	LMT	1880
 			0:00	Belgium	WET%s	1940 Feb 24 23:00
 			1:00	M-Eur	MET%s	1945 Apr  2  2:00
 			1:00	Belgium	MET%s	1977
-			1:00	EC	MET%s
+			1:00	EU	MET%s
 
 # ZONE-DESCR Europe Brussels Belgium All points
 
@@ -968,7 +1003,7 @@ Zone	Europe/Sarajevo	1:13:40	-	LMT	1884
 			1:00	M-Eur	MET%s	1945 May  8  2:00s
 			1:00	1:00  "MET DST"	1945 Sep 16  2:00s
 			1:00	-	MET	1983
-			1:00	EC	MET%s
+			1:00	EU	MET%s
 
 # ZONE-DESCR Europe Sarajevo Bosnia_and_Herzegovina All points
 
@@ -989,7 +1024,7 @@ Zone	Europe/Sofia	1:33:16 -	LMT	1880
 			2:00	-	EET	1979 Mar 31 23:00
 			2:00	Bulg	EET%s	1982 Sep 26  2:00
 			2:00	M-Eur	EET%s
-#			This may change to `EC' soon.
+#			This may change to `EU' soon.
 
 # ZONE-DESCR Europe Sofia Bulgaria All points
 
@@ -1001,13 +1036,12 @@ Zone	Europe/Zagreb	1:03:52	-	LMT	1884
 			1:00	M-Eur	MET%s	1945 May  8  2:00s
 			1:00	1:00  "MET DST"	1945 Sep 16  2:00s
 			1:00	-	MET	1983
-			1:00	EC	MET%s
+			1:00	EU	MET%s
 
 # ZONE-DESCR Europe Zagreb Croatia All points
 
 # Czech Republic
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Czech	1944	only	-	Sep	17	2:00s	0	-
 Rule	Czech	1945	only	-	Apr	 8	2:00s	1:00	" DST"
 Rule	Czech	1945	only	-	Nov	18	2:00s	0	-
 Rule	Czech	1946	only	-	May	 6	2:00s	1:00	" DST"
@@ -1020,7 +1054,7 @@ Zone	Europe/Prague	0:57:44 -	LMT	1850
 			0:58	-	PMT	1891 Oct     # Prague Mean Time
 			1:00	M-Eur	MET%s	1944 Sep 17 2:00s
 			1:00	Czech	MET%s	1979
-			1:00	EC	MET%s
+			1:00	EU	MET%s
 
 # ZONE-DESCR Europe Prague Czech_Republic All points
 
@@ -1047,10 +1081,10 @@ Zone Europe/Copenhagen	 0:50:20 -	LMT	1890
 			 1:00	Denmark	MET%s	1942 Nov  2 2:00s
 			 1:00	M-Eur	MET%s	1945 Apr  2 2:00
 			 1:00	Denmark	MET%s	1980
-			 1:00	EC	MET%s
+			 1:00	EU	MET%s
 Zone Atlantic/Faeroe	-0:27:04 -	LMT	1908 Jan 11	# Torshavn
 			 0:00	-	WET	1981
-			 0:00	EC	WET%s
+			 0:00	EU	WET%s
 Zone America/Scoresbysund -1:29:00 -	LMT	1916 Jul 28
 			-2:00	-	MGT	1980 Apr  6 2:00
 			-2:00	M-Eur	MGT%s	1981 Mar 29
@@ -1086,7 +1120,7 @@ Zone	Europe/Tallinn	1:39:00	-	LMT	1880
 			3:00	Russia	MS%s	1989 Mar 26 2:00s
 			2:00	1:00  "EET DST"	1989 Sep 24 2:00s
 			2:00	M-Eur	EET%s
-#			This may change to `EC' soon.
+#			This may change to `EU' soon.
 
 # ZONE-DESCR Europe Tallinn Estonia All points
 
@@ -1101,14 +1135,13 @@ Zone	Europe/Tallinn	1:39:00	-	LMT	1880
 # Go with Strang instead.
 #
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Finland	1921	only	-	May	1	0:00	0	-
 Rule	Finland	1942	only	-	Apr	3	0:00	1:00	" DST"
 Rule	Finland	1942	only	-	Oct	3	0:00	0	-
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone	Europe/Helsinki	1:39:52 -	LMT	1878 May 31
 			1:40	-	HMT	1921 May    # Helsinki Mean Time
 			2:00	Finland	EET%s	1981 Mar 29 2:00
-			2:00	EC	EET%s
+			2:00	EU	EET%s
 
 # ZONE-DESCR Europe Helsinki Finland All points
 
@@ -1116,7 +1149,6 @@ Zone	Europe/Helsinki	1:39:52 -	LMT	1878 May 31
 # Shanks seems to use `24:00' ambiguously; we resolve it with Whitman.
 # From Shanks (1991):
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	France	1911	only	-	Jan	 1	 0:00	0	-
 Rule	France	1916	only	-	Jun	14	23:00s	1:00	" DST"
 Rule	France	1916	1919	-	Oct	Sun>=1	 0:00	0	-
 Rule	France	1917	only	-	Mar	24	23:00s	1:00	" DST"
@@ -1172,7 +1204,7 @@ Zone	Europe/Paris	0:09:21 -	LMT	1891 Mar 15 0:01
 			1:00	M-Eur	MET%s	1944 Aug 25
 			0:00	France	WET%s	1945 Sep 16 3:00
 			1:00	France	MET%s	1977
-			1:00	EC	MET%s
+			1:00	EU	MET%s
 
 # ZONE-DESCR Europe Paris France All points
 
@@ -1194,7 +1226,7 @@ Rule	Germany	1949	only	-	Apr	10	2:00s	1:00	" DST"
 Zone	Europe/Berlin	0:53:28 -	LMT	1893 Apr
 			1:00	M-Eur	MET%s	1945 Apr 2 2:00
 			1:00	Germany	MET%s	1980
-			1:00	EC	MET%s
+			1:00	EU	MET%s
 
 # ZONE-DESCR Europe Berlin Germany All points
 
@@ -1203,7 +1235,7 @@ Zone	Europe/Berlin	0:53:28 -	LMT	1893 Apr
 Zone Europe/Gibraltar	-0:21:24 -	LMT	1880 Aug  2
 			0:00	GB-Eire	%s	1957 Apr 14 2:00
 			1:00	-	MET	1982
-			1:00	EC	MET%s
+			1:00	EU	MET%s
 
 # ZONE-DESCR Europe Gibraltar United_Kingdom Gibraltar
 
@@ -1212,7 +1244,6 @@ Zone Europe/Gibraltar	-0:21:24 -	LMT	1880 Aug  2
 # Part switched to the Gregorian calendar on 1916 Jul 28.
 # The rest switched on 1920 Mar 18.
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Greece	1916	only	-	July	28	0:01	0	-
 # Whitman gives 1932 Jul 5 - Nov 1; go with Shanks.
 Rule	Greece	1932	only	-	Jul	 7	0:00	1:00	" DST"
 Rule	Greece	1932	only	-	Sep	 1	0:00	0	-
@@ -1243,14 +1274,15 @@ Zone	Europe/Athens	1:34:52 -	LMT	1895 Sep 14
 			1:00	Greece	MET%s	1944 Apr  4
 			2:00	Greece	EET%s	1981
 			# Shanks says they switched to M-Eur in 1981;
-			# go with EC intead, since Greece joined it on Jan 1.
-			2:00	EC	EET%s
+			# go with EU intead, since Greece joined it on Jan 1.
+			2:00	EU	EET%s
 
 # ZONE-DESCR Europe Athens Greece All points
 
 # Hungary
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Hungary	1918	only	-	Sep	29	 2:00s	0	-
+Rule	Hungary	1918	only	-	Apr	 1	 3:00	1:00	" DST"
+Rule	Hungary	1918	only	-	Sep	29	 3:00	0	-
 Rule	Hungary	1919	only	-	Apr	15	 3:00	1:00	" DST"
 Rule	Hungary	1919	only	-	Sep	15	 3:00	0	-
 Rule	Hungary	1920	only	-	Apr	 5	 3:00	1:00	" DST"
@@ -1271,11 +1303,11 @@ Rule	Hungary	1957	only	-	Sep	lastSun	 3:00	0	-
 Rule	Hungary	1980	only	-	Apr	 6	 1:00	1:00	" DST"
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone	Europe/Budapest	1:16:20 -	LMT	1890 Oct
-			1:00	M-Eur	MET%s	1918 Jul
+			1:00	M-Eur	MET%s	1918
 			1:00	Hungary	MET%s	1941 Apr  6  2:00
 			1:00	M-Eur	MET%s	1945 May  1 23:00
 			1:00	Hungary	MET%s	1980 Sep 28  2:00s
-			1:00	EC	MET%s
+			1:00	EU	MET%s
 
 # ZONE-DESCR Europe Budapest Hungary All points
 
@@ -1315,7 +1347,6 @@ Zone	Europe/Budapest	1:16:20 -	LMT	1890 Oct
 # Reykavik was -1:28 from 1837 to 1908, local mean time before that.
 #
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Iceland	1908	only	-	Jan	 1	 0:00	0	S
 Rule	Iceland	1917	1918	-	Feb	19	23:00	1:00	D
 Rule	Iceland	1917	only	-	Oct	21	 1:00	0	S
 Rule	Iceland	1918	only	-	Nov	16	 1:00	0	S
@@ -1345,22 +1376,43 @@ Zone Atlantic/Reykjavik	-1:27:24 -	LMT	1837
 # ZONE-DESCR Atlantic Reykjavik Iceland All points
 
 # Italy
+# From Paul Eggert (1996-05-06):
+# For Italian DST we have three sources: Shanks, Whitman, and F. Pollastri
+# <URL:http://pisolo.cstv.to.cnr.it/toi/uk/ienitlt.html> (see `FP' below),
+# taken from a publication of the Italian National Electrotechnical Institute.
+# When the three sources disagree, guess who's right, as follows:
+#
+# year	FP	Shanks (S)	Whitman (W)	Go with:
+# 1916	06-03	06-03 24:00	06-03 00:00	FP & W
+#	09-30	09-30 24:00	09-30 01:00	FP; guess 24:00s
+# 1917	04-01	03-31 24:00	03-31 00:00	FP & S
+#	09-30	09-29 24:00	09-30 01:00	FP & W
+# 1918	03-09	03-09 24:00	03-09 00:00	FP & S
+#	10-06	10-05 24:00	10-06 01:00	FP & W
+# 1919	03-01	03-01 24:00	03-01 00:00	FP & S
+#	10-04	10-04 24:00	10-04 01:00	FP; guess 24:00s
+# 1920	03-20	03-20 24:00	03-20 00:00	FP & S
+#	09-18	09-18 24:00	10-01 01:00	FP; guess 24:00s
+# 1944	04-02	04-03 02:00			S (see M-Eur)
+#	09-16	10-02 03:00			FP; guess 24:00s
+# 1945	09-14	09-16 24:00			FP; guess 24:00s
+# 1970	05-21	05-31 00:00			S
+#	09-20	09-27 00:00			S
+#
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Italy	1893	only	-	Nov	 1	0:00s	0	S
-# Shanks gives transition times of 1916-1920 as 24:00; go with Whitman.
 Rule	Italy	1916	only	-	Jun	 3	0:00s	1:00	" DST"
-Rule	Italy	1916	only	-	Sep	30	0:00s	0	-
-Rule	Italy	1917	only	-	Mar	31	0:00s	1:00	" DST"
+Rule	Italy	1916	only	-	Oct	 1	0:00s	0	-
+Rule	Italy	1917	only	-	Apr	 1	0:00s	1:00	" DST"
 Rule	Italy	1917	only	-	Sep	30	0:00s	0	-
-Rule	Italy	1918	only	-	Mar	 9	0:00s	1:00	" DST"
+Rule	Italy	1918	only	-	Mar	10	0:00s	1:00	" DST"
 Rule	Italy	1918	1919	-	Oct	Sun>=1	0:00s	0	-
-Rule	Italy	1919	only	-	Mar	 1	0:00s	1:00	" DST"
-Rule	Italy	1920	only	-	Mar	20	0:00s	1:00	" DST"
-# Shanks gives 1920 Sep 18; go with Whitman.
-Rule	Italy	1920	only	-	Oct	 1	0:00s	0	-
-Rule	Italy	1940	only	-	Jun	15	0:00	1:00	" DST"
+Rule	Italy	1919	only	-	Mar	 2	0:00s	1:00	" DST"
+Rule	Italy	1920	only	-	Mar	21	0:00s	1:00	" DST"
+Rule	Italy	1920	only	-	Sep	19	0:00s	0	-
+Rule	Italy	1940	only	-	Jun	15	0:00s	1:00	" DST"
+Rule	Italy	1944	only	-	Sep	17	0:00s	0	-
 Rule	Italy	1945	only	-	Apr	 2	2:00	1:00	" DST"
-Rule	Italy	1945	only	-	Sep	17	0:00	0	-
+Rule	Italy	1945	only	-	Sep	15	0:00s	0	-
 Rule	Italy	1946	only	-	Mar	17	2:00s	1:00	" DST"
 Rule	Italy	1946	only	-	Oct	 6	2:00s	0	-
 Rule	Italy	1947	only	-	Mar	16	0:00s	1:00	" DST"
@@ -1388,9 +1440,9 @@ Rule	Italy	1979	only	-	Sep	30	0:00s	0	-
 Zone	Europe/Rome	0:49:56 -	LMT	1866 Sep 22
 			0:50	-	RMT	1893 Nov	# Rome Mean Time
 			1:00	Italy	MET%s	1942 Nov  2 2:00s
-			1:00	M-Eur	MET%s	1945 Apr  2 2:00s
+			1:00	M-Eur	MET%s	1944 Jul
 			1:00	Italy	MET%s	1980
-			1:00	EC	MET%s
+			1:00	EU	MET%s
 
 Link	Europe/Rome	Europe/Vatican
 Link	Europe/Rome	Europe/San_Marino
@@ -1413,7 +1465,7 @@ Zone	Europe/Riga	1:36:24	-	LMT	1880
 			3:00	Russia	MS%s	1991 Mar 31 2:00s
 			2:00	1:00  "EET DST"	1991 Sep 29 2:00s
 			2:00	M-Eur	EET%s
-#			This may change to `EC' soon.
+#			This may change to `EU' soon.
 
 # ZONE-DESCR Europe Riga Latvia All points
 
@@ -1421,7 +1473,7 @@ Zone	Europe/Riga	1:36:24	-	LMT	1880
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone	Europe/Vaduz	0:38:04 -	LMT	1894 Jun
 			1:00	-	MET	1981
-			1:00	EC	MET%s
+			1:00	EU	MET%s
 
 # ZONE-DESCR Europe Vaduz Liechtenstein All points
 
@@ -1439,14 +1491,13 @@ Zone	Europe/Vilnius	1:41:16	-	LMT	1880
 			3:00	Russia	MS%s	1991 Mar 31 2:00s
 			2:00	1:00  "EET DST"	1991 Sep 29 2:00s
 			2:00	M-Eur	EET%s
-#			This may change to `EC' soon.
+#			This may change to `EU' soon.
 
 # ZONE-DESCR Europe Vilnius Lithuania All points
 
 # Luxembourg
 # Whitman disagrees with most of these dates in minor ways; go with Shanks.
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Lux	1904	only	-	Jun	 1	 0:00	0	-
 Rule	Lux	1916	only	-	May	14	23:00	1:00	" DST"
 Rule	Lux	1916	only	-	Oct	 1	 1:00	0	-
 Rule	Lux	1917	only	-	Apr	28	23:00	1:00	" DST"
@@ -1477,7 +1528,7 @@ Zone Europe/Luxembourg	0:24:36 -	LMT	1904 Jun
 			0:00	Belgium	WET%s	1940 May 14 3:00
 			1:00	M-Eur	WET%s	1944 Sep 18 3:00
 			1:00	Belgium	MET%s	1977
-			1:00	EC	MET%s
+			1:00	EU	MET%s
 
 # ZONE-DESCR Europe Luxembourg Luxembourg All points
 
@@ -1489,7 +1540,7 @@ Zone	Europe/Skopje	1:25:44	-	LMT	1884
 			1:00	M-Eur	MET%s	1945 May  8  2:00s
 			1:00	1:00  "MET DST"	1945 Sep 16  2:00s
 			1:00	-	MET	1983
-			1:00	EC	MET%s
+			1:00	EU	MET%s
 
 # ZONE-DESCR Europe Skopje Fmr_Yugoslav_Rep_Of_Macedonia All points
 
@@ -1508,7 +1559,7 @@ Zone	Europe/Malta	0:58:04 -	LMT	1893 Nov  2	# Valletta
 			1:00	M-Eur	MET%s	1945 Apr  2 2:00s
 			1:00	Italy	MET%s	1973 Mar 31
 			1:00	Malta	MET%s	1981
-			1:00	EC	MET%s
+			1:00	EU	MET%s
 
 # ZONE-DESCR Europe Malta Malta All points
 
@@ -1520,7 +1571,7 @@ Zone	Europe/Chisinau	1:55:20 -	LMT	1924 May  2
 			3:00	Russia	MS%s	1991 Mar 31 2:00s
 			2:00	1:00  "EET DST"	1991 Sep 29 2:00s
 			2:00	M-Eur	EET%s
-#			This may change to `EC' soon.
+#			This may change to `EU' soon.
 
 # ZONE-DESCR Europe Chisinau Moldova All points
 
@@ -1531,7 +1582,7 @@ Zone	Europe/Monaco	0:29:32 -	LMT	1891 Mar 15
 			0:09:21	-	PMT	1911 Mar 11    # Paris Mean Time
 			0:00	France	WET%s	1945 Sep 16 3:00
 			1:00	France	MET%s	1977
-			1:00	EC	MET%s
+			1:00	EU	MET%s
 
 # ZONE-DESCR Europe Monaco Monaco All points
 
@@ -1539,7 +1590,6 @@ Zone	Europe/Monaco	0:29:32 -	LMT	1891 Mar 15
 # Howse writes that the Netherlands' railways used GMT between 1892 and 1940,
 # but for other purposes the Netherlands used Amsterdam mean time.
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Neth	1892	only	-	May	 1	0:00	0	AMT
 # Shanks gives 1916 May 1 0:00 and 1916 Oct 1 0:00; go with Whitman.
 Rule	Neth	1916	only	-	May	 1	2:00s	1:00	NST
 Rule	Neth	1916	only	-	Oct	 2	2:00s	0	AMT
@@ -1571,13 +1621,12 @@ Zone Europe/Amsterdam	0:19:28 -	LMT	1892 May
 			0:20	Neth	%s	1940 May 16 0:40
 			1:00	M-Eur	MET%s	1945 Apr  2 2:00
 			1:00	Neth	MET%s	1977
-			1:00	EC	MET%s
+			1:00	EU	MET%s
 
 # ZONE-DESCR Europe Amsterdam Netherlands All points
 
 # Norway
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Norway	1892	only	-	May	 1	0:00	0	-
 # Whitman gives 1916 May 21 - 1916 Oct 21; go with Shanks.
 Rule	Norway	1916	only	-	May	22	1:00	1:00	" DST"
 Rule	Norway	1916	only	-	Sep	30	0:00	0	-
@@ -1595,7 +1644,7 @@ Zone	Europe/Oslo	0:43:00 -	LMT	1895
 			1:00	Norway	MET%s	1940 Aug 10 23:00
 			1:00	M-Eur	MET%s	1945 Apr  2  2:00
 			1:00	Norway	MET%s	1980
-			1:00	EC	MET%s
+			1:00	EU	MET%s
 # Svalbard is like Europe/Oslo.
 #
 # From Whitman:
@@ -1639,13 +1688,12 @@ Zone	Europe/Warsaw	1:24:00 -	LMT	1880
 			1:00	M-Eur	MET%s	1944 Oct
 			1:00	Poland	MET%s	1977 Apr  3 1:00
 			1:00	W-Eur	MET%s
-#			This may change to `EC' soon.
+#			This may change to `EU' soon.
 
 # ZONE-DESCR Europe Warsaw Poland All points
 
 # Portugal
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Port	1911	only	-	May	24	 0:00	0	-
 Rule	Port	1916	only	-	Jun	17	23:00	1:00	" DST"
 # Whitman gives 1916 Oct 31; go with Shanks.
 Rule	Port	1916	only	-	Nov	 1	 1:00	0	-
@@ -1712,16 +1760,16 @@ Zone	Europe/Lisbon	-0:36:32 -	LMT	1884
 			 0:00	Port	WET%s	1966 Apr  3 2:00
 			 1:00	-	MET	1976 Sep 26 1:00
 			 0:00	Port	WET%s	1983 Sep 25 1:00s
-			 0:00	EC	WET%s	1992 Sep 27 1:00s
+			 0:00	EU	WET%s	1992 Sep 27 1:00s
 # From Rui Pedro Salgueiro <rps@inescca.inescc.pt> (November 12, 1992):
 # Portugal has recently (September, 27) changed timezone
 # (from WET to MET or CET) to harmonize with EEC.
-			 1:00	EC	MET%s	1996 Mar 31 1:00u
+			 1:00	EU	MET%s	1996 Mar 31 1:00u
 # Martin Bruckmann <martin@ua.pt> (1996-02-29) reports via Peter Ilieve
 # that Portugal is reverting to 0:00 by not moving its clocks this spring.
 # The new Prime Minister was fed up with getting up in the dark in the winter.
-			 0:00	-     "WET DST"	1996 Oct 27 1:00u
-			 0:00	EC	WET%s
+			 0:00	1:00  "WET DST"	1996 Oct 27 1:00u
+			 0:00	EU	WET%s
 # We don't know what happened to Madeira or the Azores,
 # so we'll just use Shanks for now.
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
@@ -1736,7 +1784,7 @@ Zone Atlantic/Madeira	-1:07:36 -	LMT	1884		# Funchal
 			-1:00	Port	ACT%s	1966 Apr  3 2:00
 			 0:00	-	WET	1977 Mar 27
 			 0:00	Port	WET%s	1983 Sep 25 1:00s
-			 0:00	EC	WET%s
+			 0:00	EU	WET%s
 
 # ZONE-DESCR Europe Lisbon Portugal All points except:
 # ZONE-DESCR Atlantic Azores Portugal Azores
@@ -1746,7 +1794,6 @@ Zone Atlantic/Madeira	-1:07:36 -	LMT	1884		# Funchal
 # Catholic Romania switched from the Julian to the Gregorian calendar on
 # on 1919 Mar 18.  Greek Orthodox Romania switched on 1920 Mar 18.
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Romania	1931	only	-	Jul	24	 0:00	0	-
 Rule	Romania	1932	only	-	May	21	 0:00s	1:00	" DST"
 Rule	Romania	1932	1939	-	Oct	Sun>=1	 0:00s	0	-
 Rule	Romania	1933	1939	-	Apr	Sun>=2	 0:00s	1:00	" DST"
@@ -1759,7 +1806,7 @@ Zone Europe/Bucharest	1:44:24 -	LMT	1891 Oct
 			1:44	-	BMT	1931 Jul 24	# Bucharest MT
 			2:00	Romania	EET%s	1981 Mar 29 2:00s
 			2:00	M-Eur	EET%s
-#			This may change to `EC' soon.
+#			This may change to `EU' soon.
 
 # ZONE-DESCR Europe Bucharest Romania All points
 
@@ -1812,7 +1859,6 @@ Zone Asia/Omsk		 4:53:36 -	LMT	1924 May  2
 # I do not know why they have decided to make this change;
 # as far as I remember it was done exactly during winter->summer switching
 # so we (Novosibirsk) simply did not switch.
-# Tomsk is still 4 hours ahead of Moscow.
 Zone Asia/Novosibirsk	 5:31:40 -	LMT	1924 May  2
 			 6:00	-	NSK	1957 Mar
 			 7:00	Russia	NS%s	1991 Mar 31 2:00s
@@ -1822,13 +1868,13 @@ Zone Asia/Novosibirsk	 5:31:40 -	LMT	1924 May  2
 			 6:00	1:00	NSD	1994 Sep 25 2:00s
 			 6:00	Russia	NS%s
 # ZONE-DESCR Asia Novosibirsk Russia Novosibirsk zone
-Zone Asia/Tomsk		 5:39:52 -	LMT	1924 May  2
-			 6:00	-	TSK	1957 Mar
-			 7:00	Russia	TS%s	1991 Mar 31 2:00s
-			 6:00	1:00	TSD	1991 Sep 29 2:00s
-			 6:00	-	TSK	1992 Jan 19 2:00s
-			 7:00	Russia	TS%s
-# ZONE-DESCR Asia Tomsk Russia Tomsk zone
+Zone Asia/Krasnoyarsk	 6:11:20 -	LMT	1924 May  2
+			 6:00	-	KRSK	1957 Mar
+			 7:00	Russia	KRS%s	1991 Mar 31 2:00s
+			 6:00	1:00	KRSD	1991 Sep 29 2:00s
+			 6:00	-	KRSK	1992 Jan 19 2:00s
+			 7:00	Russia	KRS%s
+# ZONE-DESCR Asia Krasnoyarsk Russia Krasnoyarsk zone
 Zone Asia/Irkutsk	 6:57:20 -	LMT	1880
 			 6:57	-	LST	1924 May  2
 			 7:00	-	ISK	1957 Mar
@@ -1888,13 +1934,12 @@ Zone Europe/Ljubljana	0:58:04	-	LMT	1884
 			1:00	M-Eur	MET%s	1945 May  8  2:00s
 			1:00	1:00  "MET DST"	1945 Sep 16  2:00s
 			1:00	-	MET	1983
-			1:00	EC	MET%s
+			1:00	EU	MET%s
 
 # ZONE-DESCR Europe Ljubljana Slovenia All points
 
 # Spain
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Spain	1901	only	-	Jan	 1	 0:00	0	-
 # For 1917-1919 Whitman gives Apr Sat>=1 - Oct Sat>=1; go with Shanks.
 Rule	Spain	1917	only	-	May	 5	23:00s	1:00	" DST"
 Rule	Spain	1917	1919	-	Oct	 6	23:00s	0	-
@@ -1936,12 +1981,12 @@ Rule	Spain	1978	only	-	Oct	 1	 1:00	0	-
 Zone	Europe/Madrid	-0:14:44 -	LMT	1901
 			 0:00	Spain	WET%s	1946 Sep 30
 			 1:00	Spain	MET%s	1979
-			 1:00	EC	MET%s
+			 1:00	EU	MET%s
 Zone	Atlantic/Canary	-1:01:36 -	LMT	1922 Mar # Las Palmas de Gran C.
 			-1:00	-	ACT	1946 Sep 30 1:00
 			 0:00	-	WET	1980 Apr  6 0:00s
 			 0:00	1:00  "WET DST"	1980 Sep 28 0:00s
-			 0:00	EC	WET%s
+			 0:00	EU	WET%s
 
 # ZONE-DESCR Europe Madrid Spain All points except:
 # ZONE-DESCR Atlantic Canary Spain Canary Islands
@@ -1953,7 +1998,7 @@ Zone Europe/Stockholm	1:12:12 -	LMT	1878 May 31
 			1:00	-	MET	1916 Apr 14 23:00s
 			1:00	1:00  "MET DST"	1916 Sep 30 23:00s
 			1:00	-	MET	1980
-			1:00	EC	MET%s
+			1:00	EU	MET%s
 
 # ZONE-DESCR Europe Stockholm Sweden All points
 
@@ -1963,7 +2008,6 @@ Zone Europe/Stockholm	1:12:12 -	LMT	1878 May 31
 # and their performance improved enormously.  Communities began to keep
 # mean time in preference to apparent time -- Geneva from 1780 ....
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Swiss	1894	only	-	Jun	1	0:00	0	-
 # From Whitman (who writes ``Midnight?''):
 Rule	Swiss	1940	only	-	Nov	 2	0:00	1:00	" DST"
 Rule	Swiss	1940	only	-	Dec	31	0:00	0	-
@@ -1974,7 +2018,7 @@ Rule	Swiss	1941	1942	-	Oct	Sun>=1	0:00	0	-
 Zone	Europe/Zurich	0:34:08 -	LMT	1848 Sep 12
 			0:30	-	SST	1894 Jun   # Swiss Standard Time
 			1:00	Swiss	MET%s	1981
-			1:00	EC	MET%s
+			1:00	EU	MET%s
 
 # ZONE-DESCR Europe Zurich Switzerland All points
 
@@ -1982,7 +2026,6 @@ Zone	Europe/Zurich	0:34:08 -	LMT	1848 Sep 12
 # European Turkey switched to the Gregorian calendar in 1908.
 # Asian Turkey switched in 1914.
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Turkey	1910	only	-	Oct	 1	0:00	0	-
 Rule	Turkey	1916	only	-	May	 1	0:00	1:00	" DST"
 Rule	Turkey	1916	only	-	Oct	 1	0:00	0	-
 Rule	Turkey	1920	only	-	Mar	28	0:00	1:00	" DST"
@@ -2042,7 +2085,7 @@ Zone	Europe/Istanbul	1:55:52 -	LMT	1880
 			3:00	Turkey	TUR%s	1985 Apr 20
 			2:00	Turkey	EET%s	1986
 			2:00	M-Eur	EET%s
-#			This may change to `EC' soon.
+#			This may change to `EU' soon.
 Link	Europe/Istanbul	Asia/Istanbul	# Istanbul is in both continents.
 
 # ZONE-DESCR Europe Istanbul Turkey All points
@@ -2062,7 +2105,7 @@ Zone Europe/Kiev	2:02:04 -	LMT	1880
 			2:00	-	EET	1930 Jun 21
 			3:00	Russia	MS%s	1990 Jul 17
 			2:00	M-Eur	EET%s
-#			This may change to `EC' soon.
+#			This may change to `EU' soon.
 Zone Europe/Simferopol	2:16:24 -	LMT	1880
 			2:08	Russia	LST%s	1919 Jul  1 2:00
 			2:08	Ukraine	LST%s	1924 May  2
@@ -2087,7 +2130,7 @@ Zone	Europe/Belgrade	1:22:00	-	LMT	1884
 			1:00	M-Eur	MET%s	1945 May  8  2:00s
 			1:00	1:00  "MET DST"	1945 Sep 16  2:00s
 			1:00	-	MET	1983
-			1:00	EC	MET%s
+			1:00	EU	MET%s
 
 # ZONE-DESCR Europe Belgrade Serbia All points
 
diff --git a/share/zoneinfo/northamerica b/share/zoneinfo/northamerica
index b6efc83..bac81ea 100644
--- a/share/zoneinfo/northamerica
+++ b/share/zoneinfo/northamerica
@@ -1,4 +1,4 @@
-# @(#)northamerica	7.22
+# @(#)northamerica	7.26
 # also includes Central America and the Caribbean
 
 # This data is by no means authoritative; if you think you know better,
@@ -21,6 +21,24 @@
 # Make sure you have the errata sheet; the book is somewhat useless without it.
 # It is the source for the US and Puerto Rico entries below.
 
+# From Paul Eggert (1996-06-12):
+# Daylight Saving Time was first suggested as a joke by Benjamin Franklin
+# in his whimsical essay ``Turkey vs Eagle, McCauley is my Beagle'' (1784).
+# Not everyone is happy with the results:
+#
+#	I don't really care how time is reckoned so long as there is some
+#	agreement about it, but I object to being told that I am saving
+#	daylight when my reason tells me that I am doing nothing of the kind.
+#	I even object to the implication that I am wasting something
+#	valuable if I stay in bed after the sun has risen.  As an admirer
+#	of moonlight I resent the bossy insistence of those who want to
+#	reduce my time for enjoying it.  At the back of the Daylight Saving
+#	scheme I detect the bony, blue-fingered hand of Puritanism, eager
+#	to push people into bed earlier, and get them up earlier, to make
+#	them healthy, wealthy and wise in spite of themselves.
+#
+#	-- Robertson Davies, The Diary of Samuel Marchbanks (1947), XIX, Sunday
+
 # From Arthur David Olson:
 # US Daylight Saving Time ended on the last Sunday of *October* in 1974.
 # See, for example, the front page of the Saturday, October 26, 1974
@@ -492,82 +510,8 @@ Zone America/Menominee	-5:50:27 -	LMT	1885 Sep 18 12:00
 #
 # See the `africa' file for Zone naming conventions.
 
-
-
 # Canada
 
-# Canada is reportedly lots easier than the US--leastways since 1951.
-# I don't know what they did before then.
-# 4.3BSD claims that it's perfectly regular.
-# According to a posting in "comp.bugs.misc", "comp.unix.wizards", etc.
-# on February 8, 1987, by Dave Sherman of the Law Society of Upper Canada,
-# "...Canada (well, Ontario and at least some of the other provinces) are
-# adopting the new daylight savings time rules...".  We assume all of
-# Canada is doing so.
-
-# From Bob Devine (January 28, 1988):
-# All of Canada did have DST from your first rule except Saskatchewan.
-# Which parts did not observe DST is hard to pinpoint but most of the
-# province follows the rules.
-# NOTE: those that didn't have DST for that rule, also
-# probably did not have it for several years previous.
-
-# From U. S. Naval Observatory (January 19, 1989):
-# CANADA   NEW FDL    3.5H BEHIND UTC    ST.JOHN'S
-# CANADA   NEW FDL    1.5H BEHIND UTC    APR 3 - OCT 29
-# CANADA   ATLANTIC   4 H  BEHIND UTC    HALIFAX
-# CANADA   ATLANTIC   3 H  BEHIND UTC    APR 3 - OCT 29
-# CANADA   EASTERN    5 H  BEHIND UTC    TORONTO, MONTREAL, OTTAWA
-# CANADA   EASTERN    4 H  BEHIND UTC    APR 3 - OCT 29
-# CANADA   CENTRAL    6 H  BEHIND UTC    REGINA, WINNIPEG
-# CANADA   CENTRAL    5 H  BEHIND UTC    APR 3 - OCT 29
-# CANADA   MOUNTAIN   7 H  BEHIND UTC    CALGARY, EDMONTON
-# CANADA   MOUNTAIN   6 H  BEHIND UTC    APR 3 - OCT 29
-# CANADA   PACIFIC    8 H  BEHIND UTC    VANCOUVER
-# CANADA   PACIFIC    7 H  BEHIND UTC    APR 3 - OCT 29
-# CANADA   YUKON      SAME AS PACIFIC    DAWSON
-
-# From Arthur David Olson (January 21, 1989):
-# April 3 fell on a Sunday in 1988; October 29 fell on a Sunday in 1989.  Ahem.
-# Note claim that there's double DST in Newfoundland and that Yukon should
-# be same as Pacific.
-
-# From W. Jones (jones@skdad.usask.ca) (November 6, 1992):
-# The. . .below is based on information I got from our law library, the
-# provincial archives, and the provincial Community Services department.
-# A precise history would require digging through newspaper archives, and
-# since you didn't say what you wanted, I didn't bother.
-#
-# Saskatchewan is split by a time zone meridian (105W) and over the years
-# the boundary became pretty ragged as communities near it reevaluated
-# their affiliations in one direction or the other.  In 1965 a provincial
-# referendum favoured legislating common time practices.
-#
-# On 15 April 1966 the Time Act (c. T-14, Revised Statutes of
-# Saskatchewan 1978) was proclaimed, and established that the eastern
-# part of Saskatchewan would use CST year round, that districts in
-# northwest Saskatchewan would by default follow CST but could opt to
-# follow Mountain Time rules (thus 1 hour difference in the winter and
-# zero in the summer), and that districts in southwest Saskatchewan would
-# by default follow MT but could opt to follow CST.
-#
-# It took a few years for the dust to settle (I know one story of a town
-# on one time zone having its school in another, such that a mom had to
-# serve her family lunch in two shifts), but presently it seems that only
-# a few towns on the border with Alberta (e.g. Lloydminster) follow MT
-# rules any more; all other districts appear to have used CST year round
-# since sometime in the 1960s.
-#
-# Here's how I would summarize things.  Establish a "Saskatchewan" CST
-# time zone, and note that it officially exists as of 15 April 1966.  Any
-# current exceptions can put themselves in the "Mountain" zone, since
-# those are the rules they follow.  Any past exceptions can be forgotten,
-# since that's what those who live here have done.
-
-# From Arthur David Olson (November 21, 1992):
-# East-Saskatchewan kept to avoid problems for folks using that zone by name;
-# plain Saskatchewan added.
-
 # From Alain LaBont<e'> <ALB@immedia.ca> (1994-11-14):
 # I post here the time zone abbreviations standardized in Canada
 # for both English and French in the CAN/CSA-Z234.4-89 standard....
@@ -600,11 +544,22 @@ Zone America/Menominee	-5:50:27 -	LMT	1885 Sep 18 12:00
 # From Paul Eggert <eggert@twinsun.com> (1994-11-22):
 # Alas, this sort of thing must be handled by localization software.
 
+# The data for Canada are all from Shanks (1991).
 
 
-# From Shanks (1991):
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	StJohns	1884	only	-	Jan	 1	0:00	0	S
+Rule	Canada	1918	only	-	Apr	14	2:00	1:00	D
+Rule	Canada	1918	only	-	Oct	31	2:00	0	S
+Rule	Canada	1942	only	-	Feb	 9	2:00	1:00	D
+Rule	Canada	1945	only	-	Sep	30	2:00	0	S
+Rule	Canada	1974	1986	-	Apr	lastSun	2:00	1:00	D
+Rule	Canada	1974	max	-	Oct	lastSun	2:00	0	S
+Rule	Canada	1987	max	-	Apr	Sun>=1	2:00	1:00	D
+
+
+# Newfoundland
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule	StJohns	1917	1918	-	Apr	Sun>=8	2:00	1:00	D
 Rule	StJohns	1917	only	-	Sep	17	2:00	0	S
 Rule	StJohns	1918	only	-	Oct	31	2:00	0	S
@@ -644,8 +599,16 @@ Zone America/St_Johns	-3:30:52 -	LMT	1884
 
 # ZONE-DESCR America St_Johns Canada Newfoundland
 
+# Labrador, New Brunswick, Nova Scotia, Prince Edward I
+
+# From Paul Eggert (1996-06-12):
+# Shanks writes that since 1970 most of this region has been like Halifax.
+# Many locales did not observe peacetime DST until 1972;
+# Glace Bay, NS is the largest that we know of.
+# Shanks also writes that Liverpool, NS was the only town in Canada to observe
+# DST in 1971 but not 1970; for now we'll assume this is a typo.
+
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule Halifax	1902	only	-	Jun	15	0:00	0	S
 Rule Halifax	1916	only	-	Apr	 1	0:00	1:00	D
 Rule Halifax	1916	only	-	Oct	 1	0:00	0	S
 Rule Halifax	1918	only	-	Apr	14	2:00	1:00	D
@@ -689,11 +652,25 @@ Rule Halifax	1987	max	-	Apr	Sun>=1	2:00	1:00	D
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone America/Halifax	-4:14:24 -	LMT	1902 Jun 15
 			-4:00	Halifax	A%sT
+Zone America/Glace_Bay	-3:59:48 -	LMT	1902 Jun 15
+			-4:00	Canada	A%sT	1953
+			-4:00	Halifax	A%sT	1954
+			-4:00	-	AST	1972
+			-4:00	Halifax	A%sT
 
 # ZONE-DESCR America Halifax Canada Atlantic time
+# ZONE-DESCR America Glace_Bay Canada Glace Bay, N.S.
+
+# Ontario, Quebec
+
+# From Paul Eggert (1996-06-12):
+# Shanks writes that since 1970 most of this region has been like Montreal.
+# Thunder Bay skipped DST in 1973.
+# Many smaller locales did not observe peacetime DST until 1974;
+# Nipigon (EST) and Rainy River (CST) are the largest that we know of.
+# Far west Ontario is like Winnipeg; far east Quebec is like Halifax.
 
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Mont	1884	only	-	Jan	 1	0:00	0	S
 Rule	Mont	1917	only	-	Mar	25	2:00	1:00	D
 Rule	Mont	1917	only	-	Apr	24	0:00	0	S
 Rule	Mont	1918	only	-	Apr	14	2:00	1:00	D
@@ -725,11 +702,23 @@ Rule	Mont	1987	max	-	Apr	Sun>=1	2:00	1:00	D
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone America/Montreal	-4:54:16 -	LMT	1884
 			-5:00	Mont	E%sT
+Zone America/Thunder_Bay -5:57:00 -	LMT	1895
+			-5:00	Canada	E%sT	1970
+			-5:00	Mont	E%sT	1973
+			-5:00	-	EST	1974
+			-5:00	Canada	E%sT
+Zone America/Nipigon	-5:53:04 -	LMT	1895
+			-5:00	Canada	E%sT
+Zone America/Rainy_River -6:17:56 -	LMT	1895
+			-6:00	Canada	C%sT
 
 # ZONE-DESCR America Montreal Canada Eastern time
+# ZONE-DESCR America Thunder_Bay Canada Thunder Bay, Ont.
+# ZONE-DESCR America Nipigon Canada Nipigon, Ont.
+# ZONE-DESCR America Rainy_River Canada Rainy River, Ont.
 
+# Manitoba
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Winn	1887	only	-	Jul	16	0:00	0	S
 Rule	Winn	1916	only	-	Apr	23	0:00	1:00	D
 Rule	Winn	1916	only	-	Sep	17	0:00	0	S
 Rule	Winn	1918	only	-	Apr	14	2:00	1:00	D
@@ -759,8 +748,40 @@ Zone America/Winnipeg	-6:28:36 -	LMT	1887 Jul 16
 
 # ZONE-DESCR America Winnipeg Canada Manitoba
 
+# Saskatchewan
+
+# From Paul Eggert (1996-06-12):
+# Shanks writes that since 1970 most of this region has been like Regina.
+# Some western towns (e.g. Swift Current) switched from MST/MDT to CST in 1972.
+# Other western towns (e.g. Lloydminster) are like Edmonton.
+
+# From W. Jones <jones@skdad.usask.ca> (November 6, 1992):
+# The. . .below is based on information I got from our law library, the
+# provincial archives, and the provincial Community Services department.
+# A precise history would require digging through newspaper archives, and
+# since you didn't say what you wanted, I didn't bother.
+#
+# Saskatchewan is split by a time zone meridian (105W) and over the years
+# the boundary became pretty ragged as communities near it reevaluated
+# their affiliations in one direction or the other.  In 1965 a provincial
+# referendum favoured legislating common time practices.
+#
+# On 15 April 1966 the Time Act (c. T-14, Revised Statutes of
+# Saskatchewan 1978) was proclaimed, and established that the eastern
+# part of Saskatchewan would use CST year round, that districts in
+# northwest Saskatchewan would by default follow CST but could opt to
+# follow Mountain Time rules (thus 1 hour difference in the winter and
+# zero in the summer), and that districts in southwest Saskatchewan would
+# by default follow MT but could opt to follow CST.
+#
+# It took a few years for the dust to settle (I know one story of a town
+# on one time zone having its school in another, such that a mom had to
+# serve her family lunch in two shifts), but presently it seems that only
+# a few towns on the border with Alberta (e.g. Lloydminster) follow MT
+# rules any more; all other districts appear to have used CST year round
+# since sometime in the 1960s.
+
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Regina	1905	only	-	Sep	 1	0:00	0	S
 Rule	Regina	1918	only	-	Apr	14	2:00	1:00	D
 Rule	Regina	1918	only	-	Oct	31	2:00	0	S
 Rule	Regina	1930	1934	-	May	Sun>=1	0:00	1:00	D
@@ -771,19 +792,33 @@ Rule	Regina	1938	only	-	Oct	Sun>=1	0:00	0	S
 Rule	Regina	1939	1941	-	Oct	Sun>=8	0:00	0	S
 Rule	Regina	1942	only	-	Feb	 9	2:00	1:00	D
 Rule	Regina	1945	only	-	Sep	lastSun	2:00	0	S
-Rule	Regina	1946	only	-	Apr	14	2:00	1:00	D
-Rule	Regina	1946	only	-	Oct	13	2:00	0	S
-Rule	Regina	1947	1960	-	Apr	lastSun	2:00	1:00	D
-Rule	Regina	1947	1959	-	Sep	lastSun	2:00	0	S
+Rule	Regina	1946	only	-	Apr	Sun>=8	2:00	1:00	D
+Rule	Regina	1946	only	-	Oct	Sun>=8	2:00	0	S
+Rule	Regina	1947	1959	-	Apr	lastSun	2:00	1:00	D
+Rule	Regina	1947	1958	-	Sep	lastSun	2:00	0	S
+Rule	Regina	1959	only	-	Oct	lastSun	2:00	0	S
+#
+Rule	Swift	1957	only	-	Apr	lastSun	2:00	1:00	D
+Rule	Swift	1957	only	-	Oct	lastSun	2:00	0	S
+Rule	Swift	1959	1961	-	Apr	lastSun	2:00	1:00	D
+Rule	Swift	1959	only	-	Oct	lastSun	2:00	0	S
+Rule	Swift	1960	1961	-	Sep	lastSun	2:00	0	S
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
-Zone	America/Regina	-6:58:36 -	LMT	1905 Sep
-			-7:00	Regina	M%sT	1966 Apr 15
+Zone America/Regina	-6:58:36 -	LMT	1905 Sep
+			-7:00	Regina	M%sT	1960 Apr lastSun 2:00
+			-6:00	-	CST
+Zone America/Swift_Current -7:11:20 -	LMT	1905 Sep
+			-7:00	Canada	M%sT	1946 Apr lastSun 2:00
+			-7:00	Regina	M%sT	1950
+			-7:00	Swift	M%sT	1972 Apr lastSun 2:00
 			-6:00	-	CST
 
-# ZONE-DESCR America Regina Canada Saskatchewan
+# ZONE-DESCR America Regina Canada Saskatchewan (except Swift Current)
+# ZONE-DESCR America Swift_Current Canada Swift current, Sask.
+
+# Alberta
 
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Edm	1906	only	-	Sep	 1	0:00	0	S
 Rule	Edm	1918	1919	-	Apr	Sun>=8	2:00	1:00	D
 Rule	Edm	1918	only	-	Oct	31	2:00	0	S
 Rule	Edm	1919	only	-	May	27	2:00	0	S
@@ -807,8 +842,13 @@ Zone America/Edmonton	-7:33:52 -	LMT	1906 Sep
 
 # ZONE-DESCR America Edmonton Canada Alberta
 
+# British Columbia
+
+# From Paul Eggert (1996-06-12):
+# Shanks writes that since 1970 most of this region has been like Vancouver.
+# Dawswon Creek uses MST.  Much of east BC is like Edmonton.
+
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Vanc	1884	only	-	Jan	 1	0:00	0	S
 Rule	Vanc	1918	only	-	Apr	14	2:00	1:00	D
 Rule	Vanc	1918	only	-	Oct	31	2:00	0	S
 Rule	Vanc	1942	only	-	Feb	 9	2:00	1:00	D
@@ -821,28 +861,60 @@ Rule	Vanc	1987	max	-	Apr	Sun>=1	2:00	1:00	D
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone America/Vancouver	-8:12:28 -	LMT	1884
 			-8:00	Vanc	P%sT
+Zone America/Dawson_Creek -8:00:56 -	LMT	1884
+			-8:00	Canada	P%sT	1947
+			-8:00	Vanc	P%sT	1972 Aug 30 2:00
+			-7:00	-	MST
+
+# ZONE-DESCR America Vancouver Canada British Columbia (except Dawson Creek)
+# ZONE-DESCR America Dawson_Creek Canada Dawson creek, B.C.
+
+# Northwest Territories, Yukon
 
-# ZONE-DESCR America Vancouver Canada British Columbia
+# From Paul Eggert (1996-06-12):
+# Dawson switched to PST in 1973.  Inuvik switched to MST in 1979.
+# Shanks's table for Watson Lake is corrupted, so we have no data there.
 
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Yukon	1900	only	-	Jan	 1	0:00	0	S
-Rule	Yukon	1918	only	-	Apr	14	2:00	1:00	D
-Rule	Yukon	1918	only	-	Oct	27	2:00	0	S
-Rule	Yukon	1919	only	-	May	25	2:00	1:00	D
-Rule	Yukon	1919	only	-	Nov	 1	0:00	0	S
-Rule	Yukon	1942	only	-	Feb	 9	2:00	1:00	D
-Rule	Yukon	1965	only	-	Apr	25	0:00	1:00	D
-Rule	Yukon	1965	only	-	Oct	31	2:00	0	S
-Rule	Yukon	1980	1986	-	Apr	lastSun	2:00	1:00	D
-Rule	Yukon	1980	max	-	Oct	lastSun	2:00	0	S
-Rule	Yukon	1987	max	-	Apr	Sun>=1	2:00	1:00	D
+Rule	NT_YK	1918	only	-	Apr	14	2:00	1:00	D
+Rule	NT_YK	1918	only	-	Oct	27	2:00	0	S
+Rule	NT_YK	1919	only	-	May	25	2:00	1:00	D
+Rule	NT_YK	1919	only	-	Nov	 1	0:00	0	S
+Rule	NT_YK	1942	only	-	Feb	 9	2:00	1:00	D
+Rule	NT_YK	1945	only	-	Sep	30	2:00	0	S
+#							0:00 ??
+Rule	NT_YK	1965	only	-	Apr	lastSun	0:00	2:00	DD
+Rule	NT_YK	1965	only	-	Oct	lastSun	2:00	0	S
+Rule	NT_YK	1980	1986	-	Apr	lastSun	2:00	1:00	D
+Rule	NT_YK	1980	max	-	Oct	lastSun	2:00	0	S
+Rule	NT_YK	1987	max	-	Apr	Sun>=1	2:00	1:00	D
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Pangnirtung -4:22:56 -	LMT	1884
+			-4:00	NT_YK	A%sT
+Zone America/Iqaluit	-4:33:52 -	LMT	1884	# Frobisher Bay
+			-5:00	NT_YK	E%sT
+Zone America/Rankin_Inlet -6:08:40 -	LMT	1884
+			-6:00	NT_YK	C%sT
+Zone America/Yellowknife -7:37:24 -	LMT	1884
+			-7:00	NT_YK	M%sT
+Zone America/Inuvik	-8:54:00 -	LMT	1884
+			-8:00	NT_YK	P%sT	1979 Apr lastSun 2:00
+			-7:00	NT_YK	M%sT
 Zone America/Whitehorse	-9:00:12 -	LMT	1900 Aug 20
-			-9:00	Yukon	Y%sT	1966 Jul
-			-8:00	Yukon	P%sT
-# Parts of Yukon (e.g. Dawson) didn't switch to -8:00 until 1973 Oct 28.
-
-# ZONE-DESCR America Whitehorse Canada Yukon Territory
+			-9:00	NT_YK	Y%sT	1966 Jul 1 2:00
+			-8:00	NT_YK	P%sT
+Zone America/Dawson	-9:17:40 -	LMT	1900 Aug 20
+			-9:00	NT_YK	Y%sT	1973 Oct lastSun 2:00
+			-8:00	NT_YK	P%sT
+
+# XXX - can somebody put territory names to all of these
+# ZONE-DESCR America Whitehorse Canada Whitehorse
+# ZONE-DESCR America Dawson Canada Dawson
+# ZONE-DESCR America Pangnirtung Canada Pangnirtung
+# ZONE-DESCR America Iqaluit Canada Iqaluit
+# ZONE-DESCR America Rankin_Inlet Canada Rankin_Inlet
+# ZONE-DESCR America Yellowknife Canada Yellowknife
+# ZONE-DESCR America Inuvik Canada Inuvik
 
 ###############################################################################
 
@@ -895,22 +967,45 @@ Zone America/Whitehorse	-9:00:12 -	LMT	1900 Aug 20
 # a zone that's GMT-8 with DST; a zone that's always GMT-7;
 # a zone that's GMT-6 with DST; and a zone that's always GMT-6.
 
-# From Paul Eggert <eggert@twinsun.com> (November 18, 1993):
+# From Paul Eggert <eggert@twinsun.com> (1993-11-18):
 # Shanks also says there are four zones, but disagrees about the fourth.
 # Instead of GMT-6 with DST, he says there's GMT-8 without DST.
 
-# From Paul Eggert (1996-02-07):
-# Today in news:4f90v4$g6g@news.internet.com.mx, Kevin Pitts
-# <bravo2@internet.com.mx> wrote that Mexico will use Horario de Verano (DST)
-# starting this year with the same rules as the US, and gave FIDE as a source.
-# (FIDE is a private organization that promotes efficient electrical use.)
-# On 1996-02-02 Mario Camou wrote that the transition times are Apr Sun>=1
-# 0:00 and Nov 1 0:00 but also wrote ``The DST-out date looks a bit fishy''.
-# Go with Pitts after 1996, and with Shanks before that.
+# From Alan Perry <alan.perry@eng.sun.com> (1996-02-15):
+# A guy from our Mexico subsidiary finally found the Presidential Decree
+# outlining the timezone changes in Mexico.
+# 
+# ------------- Begin Forwarded Message -------------
+# 
+# I finally got my hands on the Official Presidential Decree that sets up the
+# rules for the DST changes. The rules are:
+# 
+# 1. The country is divided in 3 timezones:
+#    - Baja California Norte (the Mexico/BajaNorte TZ)
+#    - Baja California Sur, Nayarit, Sinaloa and Sonora (the Mexico/BajaSur TZ)
+#    - The rest of the country (the Mexico/General TZ)
+#    
+# 2. From the first Sunday in April at 2:00 AM to the last Sunday in October
+#    at 2:00 AM, the times in each zone are as follows:
+#    BajaNorte: GMT+7
+#    BajaSur:   GMT+6
+#    General:   GMT+5
+#    
+# 3. The rest of the year, the times are as follows:
+#    BajaNorte: GMT+8
+#    BajaSur:   GMT+7
+#    General:   GMT+6
+#    
+# The Decree was published in Mexico's Official Newspaper on January 4th.
+# 
+# -------------- End Forwarded Message --------------
+# From Paul Eggert (1996-06-12):
+# For an English translation of the decree,
+# see ``Diario Oficial: Time Zone Changeover'',
+# <URL:http://mexico-travel.com/extra/timezone_eng.html> (1996-01-04).
 
 # From Shanks (1991):
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Mexico	1922	only	-	Jan	1	0:00	0	S
 Rule	Mexico	1939	only	-	Feb	5	0:00	1:00	D
 Rule	Mexico	1939	only	-	Jun	25	0:00	0	S
 Rule	Mexico	1940	only	-	Dec	9	0:00	1:00	D
@@ -986,7 +1081,6 @@ Zone	America/Antigua	-4:07:12 -	LMT	1912 Mar 2
 
 # Bahamas
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Bahamas	1912	only	-	Mar	2	0:00	0	S
 Rule	Bahamas	1964	max	-	Oct	lastSun	2:00	0	S
 Rule	Bahamas	1964	1986	-	Apr	lastSun	2:00	1:00	D
 Rule	Bahamas	1987	max	-	Apr	Sun>=1	2:00	1:00	D
@@ -998,7 +1092,6 @@ Zone	America/Nassau	-5:09:24 -	LMT	1912 Mar 2
 
 # Barbados
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Barb	1932	only	-	Jan	1	0:00	0	S
 Rule	Barb	1977	only	-	Jun	12	2:00	1:00	D
 Rule	Barb	1977	1978	-	Oct	Sun>=1	2:00	0	S
 Rule	Barb	1978	1980	-	Apr	Sun>=15	2:00	1:00	D
@@ -1014,7 +1107,6 @@ Zone America/Barbados	-3:58:28 -	LMT	1924		# Bridgetown
 # Belize
 # Whitman entirely disagrees with Shanks; go with Shanks.
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Belize	1912	only	-	Apr	 1	0:00	0	S
 Rule	Belize	1918	1942	-	Oct	Sun>=2	0:00	0:30	HD
 Rule	Belize	1919	1943	-	Feb	Sun>=9	0:00	0	S
 Rule	Belize	1973	only	-	Dec	 5	0:00	1:00	D
@@ -1050,7 +1142,6 @@ Zone	America/Cayman	-5:25:32 -	LMT	1890		# Georgetown
 # Shanks gives some very odd dates for 1991, and stops there.
 # For now, we won't guess further.
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	CR	1921	only	-	Jan	15	0:00	0	S
 Rule	CR	1979	1980	-	Feb	lastSun	0:00	1:00	D
 Rule	CR	1979	1980	-	Jun	Sun>=1	0:00	0	S
 Rule	CR	1991	only	-	Jan	19	0:00	1:00	D
@@ -1078,7 +1169,6 @@ Zone America/Costa_Rica	-5:36:20 -	LMT	1890		# San Jose
 
 # From Shanks (1991):
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Cuba	1925	only	-	Jul	19	12:00	0	S
 Rule	Cuba	1928	only	-	Jun	10	0:00	1:00	D
 Rule	Cuba	1928	only	-	Oct	10	0:00	0	S
 Rule	Cuba	1940	1942	-	Jun	Sun>=1	0:00	1:00	D
@@ -1121,7 +1211,6 @@ Zone America/Dominica	-4:05:36 -	LMT	1911 Jul 1 0:01		# Roseau
 
 # Dominican Republic
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	DR	1933	only	-	Apr	1	12:00	0	S
 Rule	DR	1966	only	-	Oct	30	0:00	1:00	D
 Rule	DR	1967	only	-	Feb	28	0:00	0	S
 Rule	DR	1969	1973	-	Oct	lastSun	0:00	0:30	HD
@@ -1138,7 +1227,6 @@ Zone America/Santo_Domingo -4:39:36 -	LMT	1890
 
 # El Salvador
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Salv	1921	only	-	Jan	1	0:00	0	S
 Rule	Salv	1987	1988	-	May	Sun>=1	0:00	1:00	D
 Rule	Salv	1987	1988	-	Sep	lastSun	0:00	0	S
 # There are too many San Salvadors elsewhere, so we'll use `El Salvador'.
@@ -1164,7 +1252,6 @@ Zone America/Guadeloupe	-4:06:08 -	LMT	1911 Jun 8	# Pointe a Pitre
 
 # Guatemala
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Guat	1918	only	-	Oct	5	0:00	0	S
 Rule	Guat	1973	only	-	Nov	25	0:00	1:00	D
 Rule	Guat	1974	only	-	Feb	24	0:00	0	S
 Rule	Guat	1983	only	-	May	21	0:00	1:00	D
@@ -1177,7 +1264,6 @@ Zone America/Guatemala	-6:02:04 -	LMT	1918 Oct 5
 
 # Haiti
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Haiti	1917	only	-	Jan	24	12:00	0	S
 Rule	Haiti	1983	only	-	May	8	0:00	1:00	D
 Rule	Haiti	1984	1987	-	Apr	lastSun	0:00	1:00	D
 Rule	Haiti	1983	1987	-	Oct	lastSun	0:00	0	S
@@ -1234,7 +1320,6 @@ Zone America/Montserrat	-4:08:52 -	LMT	1911 Jul 1 0:01   # Plymouth
 
 # Nicaragua
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Nic	1975	only	-	Feb	16	0:00	0	S
 Rule	Nic	1979	1980	-	Mar	Sun>=16	0:00	1:00	D
 Rule	Nic	1979	1980	-	Jun	Mon>=23	0:00	0	S
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
diff --git a/share/zoneinfo/southamerica b/share/zoneinfo/southamerica
index f55c452..dd44aa8 100644
--- a/share/zoneinfo/southamerica
+++ b/share/zoneinfo/southamerica
@@ -1,4 +1,4 @@
-# @(#)southamerica	7.11
+# @(#)southamerica	7.12
 
 # This data is by no means authoritative; if you think you know better,
 # go ahead and edit the file (and please send any changes to
@@ -170,7 +170,6 @@ Zone	America/La_Paz	-4:32:36 -	LMT	1890
 # about time zone changes after 1990 Feb 11.
 
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Brazil	1914	only	-	Jan	 1	 0:00	0	S
 Rule	Brazil	1931	only	-	Oct	 3	11:00	1	D
 Rule	Brazil	1932	1933	-	Apr	 1	 0:00	0	S
 Rule	Brazil	1932	only	-	Oct	 3	 0:00	1	D
@@ -275,7 +274,6 @@ Zone Pacific/Galapagos	-5:58:24 -	LMT	1931 # Puerto Baquerizo Moreno
 
 # Falklands
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Falk	1912	only	-	Mar	12	0:00	0	S
 Rule	Falk	1937	1938	-	Sep	lastSun	0:00	1:00	D
 Rule	Falk	1938	1942	-	Mar	Sun>=19	0:00	0	S
 Rule	Falk	1939	only	-	Oct	1	0:00	1:00	D
@@ -323,7 +321,6 @@ Zone	America/Guyana	-3:52:40 -	LMT	1915 Mar	# Georgetown
 
 # From Shanks (1991):
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Para	1974	only	-	Apr	 1	0:00	0	S
 Rule	Para	1975	1978	-	Oct	 1	0:00	1:00	D
 Rule	Para	1975	1978	-	Mar	 1	0:00	0	S
 # Shanks says 1979 was all DST.
@@ -342,7 +339,6 @@ Zone America/Asuncion	-3:50:40 -	LMT	1890
 
 # Peru
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Peru	1908	only	-	Jul	28	0:00	0	S
 Rule	Peru	1938	only	-	Jan	 1	0:00	1:00	D
 Rule	Peru	1938	only	-	Apr	 1	0:00	0	S
 Rule	Peru	1938	1939	-	Sep	lastSun	0:00	1:00	D
@@ -390,7 +386,6 @@ Zone America/Port_of_Spain -4:06:04 -	LMT	1912 Mar 2
 # Uruguay wins the prize for the strangest peacetime manipulation of the rules.
 # From Shanks (1991):
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Uruguay	1920	only	-	May	 1	 0:00	0	S
 # Whitman gives 1923 Oct 1; go with Shanks.
 Rule	Uruguay	1923	only	-	Oct	 2	 0:00	0:30	HD
 Rule	Uruguay	1924	1926	-	Apr	 1	 0:00	0	S