diff --git a/tzdata/africa b/tzdata/africa
index 14c6b27e..7f77ee56 100644
--- a/tzdata/africa
+++ b/tzdata/africa
@@ -1,4 +1,4 @@
-# @(#)africa	8.8
+# @(#)africa	8.9
 # <pre>
 
 # This data is by no means authoritative; if you think you know better,
@@ -218,7 +218,15 @@ Rule	Egypt	1995	2005	-	Sep	lastThu	23:00s	0	-
 # after observing the daylight saving time since May.
 # http://news.gom.com.eg/gazette/pdf/2006/09/18/01.pdf
 Rule	Egypt	2006	only	-	Sep	21	23:00s	0	-
-Rule	Egypt	2007	max	-	Sep	lastThu	23:00s	0	-
+# From Dirk Losch (2007-08-14):
+# I received a mail from an airline which says that the daylight
+# saving time in Egypt will end in the night of 2007-09-06 to 2007-09-07.
+# From Jesper Norgaard Welen (2007-08-15): [The following agree:]
+# http://www.nentjes.info/Bill/bill5.htm 
+# http://www.timeanddate.com/worldclock/city.html?n=53
+# From Paul Eggert (2007-08-17):
+# For lack of better info, assume the new rule is first Thursday.
+Rule	Egypt	2007	max	-	Sep	Thu>=1	23:00s	0	-
 
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone	Africa/Cairo	2:05:00 -	LMT	1900 Oct
diff --git a/tzdata/antarctica b/tzdata/antarctica
index 2584ae4f..ef279cbe 100644
--- a/tzdata/antarctica
+++ b/tzdata/antarctica
@@ -1,4 +1,4 @@
-# @(#)antarctica	8.3
+# @(#)antarctica	8.4
 # <pre>
 
 # From Paul Eggert (1999-11-15):
@@ -191,10 +191,12 @@ Zone Antarctica/Syowa	0	-	zzz	1957 Jan 29
 Rule	NZAQ	1974	only	-	Nov	 3	2:00s	1:00	D
 Rule	NZAQ	1975	1988	-	Oct	lastSun	2:00s	1:00	D
 Rule	NZAQ	1989	only	-	Oct	 8	2:00s	1:00	D
-Rule	NZAQ	1990	max	-	Oct	Sun>=1	2:00s	1:00	D
+Rule	NZAQ	1990	2006	-	Oct	Sun>=1	2:00s	1:00	D
 Rule	NZAQ	1975	only	-	Feb	23	2:00s	0	S
 Rule	NZAQ	1976	1989	-	Mar	Sun>=1	2:00s	0	S
-Rule	NZAQ	1990	max	-	Mar	Sun>=15	2:00s	0	S
+Rule	NZAQ	1990	2007	-	Mar	Sun>=15	2:00s	0	S
+Rule	NZAQ	2007	max	-	Sep	lastSun	2:00s	1:00	D
+Rule	NZAQ	2008	max	-	Apr	Sun>=1	2:00s	0	S
 
 # Norway - territories
 # Bouvet (never inhabited)
diff --git a/tzdata/australasia b/tzdata/australasia
index 7d626cf4..30d695ff 100644
--- a/tzdata/australasia
+++ b/tzdata/australasia
@@ -1,4 +1,4 @@
-# @(#)australasia	8.7
+# @(#)australasia	8.8
 # <pre>
 
 # This file also includes Pacific islands.
@@ -79,7 +79,7 @@ Zone Australia/Lindeman  9:55:56 -	LMT	1895
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule	AS	1971	1985	-	Oct	lastSun	2:00s	1:00	-
 Rule	AS	1986	only	-	Oct	19	2:00s	1:00	-
-Rule	AS	1987	max	-	Oct	lastSun	2:00s	1:00	-
+Rule	AS	1987	2007	-	Oct	lastSun	2:00s	1:00	-
 Rule	AS	1972	only	-	Feb	27	2:00s	0	-
 Rule	AS	1973	1985	-	Mar	Sun>=1	2:00s	0	-
 Rule	AS	1986	1989	-	Mar	Sun>=15	2:00s	0	-
@@ -90,7 +90,9 @@ Rule	AS	1993	only	-	Mar	Sun>=1	2:00s	0	-
 Rule	AS	1994	only	-	Mar	Sun>=18	2:00s	0	-
 Rule	AS	1995	2005	-	Mar	lastSun	2:00s	0	-
 Rule	AS	2006	only	-	Apr	Sun>=1	2:00s	0	-
-Rule	AS	2007	max	-	Mar	lastSun	2:00s	0	-
+Rule	AS	2007	only	-	Mar	lastSun	2:00s	0	-
+Rule	AS	2008	max	-	Apr	Sun>=1	2:00s	0	-
+Rule	AS	2008	max	-	Oct	Sun>=1	2:00s	1:00	-
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone Australia/Adelaide	9:14:20 -	LMT	1895 Feb
 			9:00	-	CST	1899 May
@@ -121,7 +123,8 @@ Rule	AT	1991	2005	-	Mar	lastSun	2:00s	0	-
 Rule	AT	2000	only	-	Aug	lastSun	2:00s	1:00	-
 Rule	AT	2001	max	-	Oct	Sun>=1	2:00s	1:00	-
 Rule	AT	2006	only	-	Apr	Sun>=1	2:00s	0	-
-Rule	AT	2007	max	-	Mar	lastSun	2:00s	0	-
+Rule	AT	2007	only	-	Mar	lastSun	2:00s	0	-
+Rule	AT	2008	max	-	Apr	Sun>=1	2:00s	0	-
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone Australia/Hobart	9:49:16	-	LMT	1895 Sep
 			10:00	-	EST	1916 Oct 1 2:00
@@ -145,9 +148,11 @@ Rule	AV	1988	1999	-	Oct	lastSun	2:00s	1:00	-
 Rule	AV	1991	1994	-	Mar	Sun>=1	2:00s	0	-
 Rule	AV	1995	2005	-	Mar	lastSun	2:00s	0	-
 Rule	AV	2000	only	-	Aug	lastSun	2:00s	1:00	-
-Rule	AV	2001	max	-	Oct	lastSun	2:00s	1:00	-
+Rule	AV	2001	2007	-	Oct	lastSun	2:00s	1:00	-
 Rule	AV	2006	only	-	Apr	Sun>=1	2:00s	0	-
-Rule	AV	2007	max	-	Mar	lastSun	2:00s	0	-
+Rule	AV	2007	only	-	Mar	lastSun	2:00s	0	-
+Rule	AV	2008	max	-	Apr	Sun>=1	2:00s	0	-
+Rule	AV	2008	max	-	Oct	Sun>=1	2:00s	1:00	-
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone Australia/Melbourne 9:39:52 -	LMT	1895 Feb
 			10:00	Aus	EST	1971
@@ -166,9 +171,11 @@ Rule	AN	1987	1999	-	Oct	lastSun	2:00s	1:00	-
 Rule	AN	1990	1995	-	Mar	Sun>=1	2:00s	0	-
 Rule	AN	1996	2005	-	Mar	lastSun	2:00s	0	-
 Rule	AN	2000	only	-	Aug	lastSun	2:00s	1:00	-
-Rule	AN	2001	max	-	Oct	lastSun	2:00s	1:00	-
+Rule	AN	2001	2007	-	Oct	lastSun	2:00s	1:00	-
 Rule	AN	2006	only	-	Apr	Sun>=1	2:00s	0	-
-Rule	AN	2007	max	-	Mar	lastSun	2:00s	0	-
+Rule	AN	2007	only	-	Mar	lastSun	2:00s	0	-
+Rule	AN	2008	max	-	Apr	Sun>=1	2:00s	0	-
+Rule	AN	2008	max	-	Oct	Sun>=1	2:00s	1:00	-
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone Australia/Sydney	10:04:52 -	LMT	1895 Feb
 			10:00	Aus	EST	1971
@@ -191,9 +198,11 @@ Rule	LH	1987	1999	-	Oct	lastSun	2:00	0:30	-
 Rule	LH	1990	1995	-	Mar	Sun>=1	2:00	0	-
 Rule	LH	1996	2005	-	Mar	lastSun	2:00	0	-
 Rule	LH	2000	only	-	Aug	lastSun	2:00	0:30	-
-Rule	LH	2001	max	-	Oct	lastSun	2:00	0:30	-
+Rule	LH	2001	2007	-	Oct	lastSun	2:00	0:30	-
 Rule	LH	2006	only	-	Apr	Sun>=1	2:00	0	-
-Rule	LH	2007	max	-	Mar	lastSun	2:00	0	-
+Rule	LH	2007	only	-	Mar	lastSun	2:00	0	-
+Rule	LH	2008	max	-	Apr	Sun>=1	2:00	0	-
+Rule	LH	2008	max	-	Oct	Sun>=1	2:00	0:30	-
 Zone Australia/Lord_Howe 10:36:20 -	LMT	1895 Feb
 			10:00	-	EST	1981 Mar
 			10:30	LH	LHST
@@ -453,11 +462,20 @@ Zone Pacific/Funafuti	11:56:52 -	LMT	1901
 # US minor outlying islands
 
 # Howland, Baker
-# uninhabited since World War II
-# no information; was probably like Pacific/Pago_Pago
+# Howland was mined for guano by American companies 1857-1878 and British
+# 1886-1891; Baker was similar but exact dates are not known.
+# Inhabited by civilians 1935-1942; U.S. military bases 1943-1944;
+# uninhabited thereafter.
+# Howland observed Hawaii Standard Time (UTC-10:30) in 1937;
+# see page 206 of Elgen M. Long and Marie K. Long,
+# Amelia Earhart: the Mystery Solved, Simon & Schuster (2000).
+# So most likely Howland and Baker observed Hawaii Time from 1935
+# until they were abandoned after the war.
 
 # Jarvis
-# uninhabited since 1958
+# Mined for guano by American companies 1857-1879 and British 1883?-1891?.
+# Inhabited by civilians 1935-1942; IGY scientific base 1957-1958;
+# uninhabited thereafter.
 # no information; was probably like Pacific/Kiritimati
 
 # Johnston
@@ -866,33 +884,13 @@ Zone	Pacific/Wallis	12:15:20 -	LMT	1901
 # introduction of standard time in 1895.
 
 
-# South Australia, Tasmania, Victoria
+# southeast Australia
+#
+# From Paul Eggert (2007-07-23):
+# Starting autumn 2008 Victoria, NSW, South Australia, Tasmania and the ACT
+# end DST the first Sunday in April and start DST the first Sunday in October.
+# http://www.theage.com.au/news/national/daylight-savings-to-span-six-months/2007/06/27/1182623966703.html
 
-# From Arthur David Olson (1992-03-08):
-# The rules from version 7.1 follow.
-# There are lots of differences between these rules and
-# the Shepherd et al. rules.  Since the Shepherd et al. rules
-# and Bradley White's newspaper article are in agreement on
-# current DST ending dates, no worries.
-#
-# Rule	Oz	1971	1985	-	Oct	lastSun	2:00	1:00	-
-# Rule	Oz	1986	max	-	Oct	Sun>=18	2:00	1:00	-
-# Rule	Oz	1972	only	-	Feb	27	3:00	0	-
-# Rule	Oz	1973	1986	-	Mar	Sun>=1	3:00	0	-
-# Rule	Oz	1987	max	-	Mar	Sun>=15	3:00	0	-
-# Zone	Australia/Tasmania	10:00	Oz	EST
-# Zone	Australia/South		9:30	Oz	CST
-# Zone	Australia/Victoria	10:00	Oz	EST	1985 Oct lastSun 2:00
-#				10:00	1:00	EST	1986 Mar Sun>=15 3:00
-#				10:00	Oz	EST
-
-# From Robert Elz (1991-03-06):
-# I believe that the current start date for DST is "lastSun" in Oct...
-# that changed Oct 89.  That is, we're back to the
-# original rule, and that rule currently applies in all the states
-# that have dst, incl Qld.  (Certainly it was true in Vic).
-# The file I'm including says that happened in 1988, I think
-# that's incorrect, but I'm not 100% certain.
 
 # South Australia
 
@@ -938,6 +936,9 @@ Zone	Pacific/Wallis	12:15:20 -	LMT	1901
 # was gazetted in the Government Hansard on Sep 26 1994....
 # start on last Sunday in October and end in last sunday in March.
 
+# From Paul Eggert (2007-07-23):
+# See "southeast Australia" above for 2008 and later.
+
 # Tasmania
 
 # The rules for 1967 through 1991 were reported by George Shepherd
@@ -960,6 +961,9 @@ Zone	Pacific/Wallis	12:15:20 -	LMT	1901
 # Sim Alam (2000-07-03) reported a legal citation for the 2000/2001 rules:
 # http://www.thelaw.tas.gov.au/fragview/42++1968+GS3A@EN+2000070300
 
+# From Paul Eggert (2007-07-23):
+# See "southeast Australia" above for 2008 and later.
+
 # Victoria
 
 # The rules for 1971 through 1991 were reported by George Shepherd
@@ -989,6 +993,9 @@ Zone	Pacific/Wallis	12:15:20 -	LMT	1901
 # [1] http://www.hup.harvard.edu/catalog/HEISUN.html
 # [2] http://www.shrine.org.au
 
+# From Paul Eggert (2007-07-23):
+# See "southeast Australia" above for 2008 and later.
+
 # New South Wales
 
 # From Arthur David Olson:
@@ -1055,6 +1062,9 @@ Zone	Pacific/Wallis	12:15:20 -	LMT	1901
 # The Queensland Premier Peter Beattie is encouraging northern NSW
 # towns to use Queensland time.
 
+# From Paul Eggert (2007-07-23):
+# See "southeast Australia" above for 2008 and later.
+
 # Yancowinna
 
 # From John Mackin (1989-01-04):
@@ -1106,6 +1116,9 @@ Zone	Pacific/Wallis	12:15:20 -	LMT	1901
 # For Lord Howe dates we use Shanks & Pottenger through 1989, and
 # Lonergan thereafter.  For times we use Lonergan.
 
+# From Paul Eggert (2007-07-23):
+# See "southeast Australia" above for 2008 and later.
+
 ###############################################################################
 
 # New Zealand
diff --git a/tzdata/europe b/tzdata/europe
index 79c068ee..60290ddc 100644
--- a/tzdata/europe
+++ b/tzdata/europe
@@ -1,4 +1,4 @@
-# @(#)europe	8.10
+# @(#)europe	8.11
 # <pre>
 
 # This data is by no means authoritative; if you think you know better,
@@ -444,7 +444,7 @@ Zone	Europe/Dublin	-0:25:00 -	LMT	1880 Aug  2
 
 ###############################################################################
 
-# Continental Europe
+# Europe
 
 # EU rules are for the European Union, previously known as the EC, EEC,
 # Common Market, etc.
@@ -2386,6 +2386,8 @@ Link	Europe/Istanbul	Asia/Istanbul	# Istanbul is in both continents.
 
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 # Most of Ukraine since 1970 has been like Kiev.
+# "Kyiv" is the transliteration of the Ukrainian name, but
+# "Kiev" is more common in English.
 Zone Europe/Kiev	2:02:04 -	LMT	1880
 			2:02:04	-	KMT	1924 May  2 # Kiev Mean Time
 			2:00	-	EET	1930 Jun 21
@@ -2397,6 +2399,8 @@ Zone Europe/Kiev	2:02:04 -	LMT	1880
 			2:00	E-Eur	EE%sT	1995
 			2:00	EU	EE%sT
 # Ruthenia used CET 1990/1991.
+# "Uzhhorod" is the transliteration of the Ukrainian name, but
+# "Uzhgorod" is more common in English.
 Zone Europe/Uzhgorod	1:29:12 -	LMT	1890 Oct
 			1:00	-	CET	1940
 			1:00	C-Eur	CE%sT	1944 Oct
@@ -2409,7 +2413,10 @@ Zone Europe/Uzhgorod	1:29:12 -	LMT	1890 Oct
 			2:00	E-Eur	EE%sT	1995
 			2:00	EU	EE%sT
 # Zaporozh'ye and eastern Lugansk oblasts observed DST 1990/1991.
-# Zaporozh'ye has an apostrophe, but Posix file names can't have apostrophes.
+# "Zaporizhia" is the transliteration of the Ukrainian name, but
+# "Zaporozh'ye" is more common in English.  Use the common English
+# spelling, except omit the apostrophe as it is not allowed in
+# portable Posix file names.
 Zone Europe/Zaporozhye	2:20:40 -	LMT	1880
 			2:20	-	CUT	1924 May  2 # Central Ukraine T
 			2:00	-	EET	1930 Jun 21
diff --git a/tzdata/leapseconds b/tzdata/leapseconds
index 6b990377..583451e4 100644
--- a/tzdata/leapseconds
+++ b/tzdata/leapseconds
@@ -1,4 +1,4 @@
-# @(#)leapseconds	8.3
+# @(#)leapseconds	8.4
 
 # Allowance for leapseconds added to each timezone file.
 
@@ -45,38 +45,38 @@ Leap	1997	Jun	30	23:59:60	+	S
 Leap	1998	Dec	31	23:59:60	+	S
 Leap	2005	Dec	31	23:59:60	+	S
 
-# ...
-# Sent: Thursday, February 01, 2007 9:49 AM
-# ...
-# Subject: Bulletin C number 33
-#
-# 	INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE (IERS)
-#
+# INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE (IERS)
 # SERVICE INTERNATIONAL DE LA ROTATION TERRESTRE ET DES SYSTEMES DE REFERENCE
 #
 # SERVICE DE LA ROTATION TERRESTRE
 # OBSERVATOIRE DE PARIS
 # 61, Av. de l'Observatoire 75014 PARIS (France)
-# ...
+# Tel.      : 33 (0) 1 40 51 22 26
+# FAX       : 33 (0) 1 40 51 22 91
+# Internet  : services.iers@obspm.fr
+#
+# Paris, 28 June 2007
 #
-#                                                Paris, 1 February 2007
-#                                                Bulletin C 33
-#                                                To authorities responsible
-#                                                for the measurement and
-#                                                distribution of time
+# Bulletin C 34
 #
-#                           INFORMATION ON UTC - TAI
+# To authorities responsible
+# for the measurement and
+# distribution of time
 #
-# NO positive leap second will be introduced at the end of June 2007.
+# INFORMATION ON UTC - TAI
+#
+# NO positive leap second will be introduced at the end of December 2007.
 # The difference between Coordinated Universal Time UTC and the
-# International Atomic Time TAI is:
-#      from 2006 January 1, 0h UTC, until further notice : UTC-TAI = -33 s
-# Leap seconds can be introduced in UTC at the end of the months of
-# December  or June,  depending on the evolution of UT1-TAI. Bulletin C is
-# mailed every  six months, either to announce a time step in UTC, or to
-# confirm that there  will be no time step at the next possible date.
+# International Atomic Time TAI is :		
+#
+# from 2006 January 1, 0h UTC, until further notice : UTC-TAI = -33 s
+#
+# Leap seconds can be introduced in UTC at the end of the months of December
+# or June,  depending on the evolution of UT1-TAI. Bulletin C is mailed every
+# six months, either to announce a time step in UTC, or to confirm that there
+# will be no time step at the next possible date.
 #
-# 				Daniel GAMBIS
-# 				Director
-# 				Earth Orientation Center of IERS
-# 				Observatoire de Paris, France
+# Daniel GAMBIS
+# Director			
+# Earth Orientation Center of IERS
+# Observatoire de Paris, France
diff --git a/tzdata/northamerica b/tzdata/northamerica
index ae9205c6..73e13a52 100644
--- a/tzdata/northamerica
+++ b/tzdata/northamerica
@@ -1,4 +1,4 @@
-# @(#)northamerica	8.17
+# @(#)northamerica	8.18
 # <pre>
 
 # also includes Central America and the Caribbean
@@ -348,7 +348,7 @@ Zone America/North_Dakota/New_Salem -6:45:39 - LMT 1883 Nov 18 12:14:21
 #
 # Colorado, far western Kansas, Montana, western
 # Nebraska, Nevada border (Jackpot, Owyhee, and Mountain City),
-# New Mexico, southwestern North Dakota, far eastern Oregon,
+# New Mexico, southwestern North Dakota,
 # western South Dakota, far western Texas (El Paso County, Hudspeth County,
 # and Pine Springs and Nickel Creek in Culberson County), Utah, Wyoming
 #
@@ -369,7 +369,8 @@ Zone America/Denver	-6:59:56 -	LMT	1883 Nov 18 12:00:04
 # US Pacific time, represented by Los Angeles
 #
 # California, northern Idaho (Benewah, Bonner, Boundary, Clearwater,
-# Idaho, Kootenai, Latah, Lewis, Nez Perce, and Shoshone counties),
+# Idaho, Kootenai, Latah, Lewis, Nez Perce, and Shoshone counties,
+# and the northern three-quarters of Idaho county),
 # most of Nevada, most of Oregon, and Washington
 #
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
@@ -527,7 +528,8 @@ Link America/Denver America/Shiprock
 # Boise, Bonneville, Butte, Camas, Canyon, Caribou, Cassia, Clark,
 # Custer, Elmore, Franklin, Fremont, Gem, Gooding, Jefferson, Jerome,
 # Lemhi, Lincoln, Madison, Minidoka, Oneida, Owyhee, Payette, Power,
-# Teton, Twin Falls, Valley, Washington counties) and eastern Oregon
+# Teton, Twin Falls, Valley, Washington counties, and the southern
+# quarter of Idaho county) and eastern Oregon (most of Malheur County)
 # switched four weeks late in 1974.
 #
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
@@ -544,7 +546,7 @@ Zone America/Boise	-7:44:49 -	LMT	1883 Nov 18 12:15:11
 # What time is it in Indiana?
 # </a> (2006-03-01)
 #
-# From Paul Eggert (2006-03-22):
+# From Paul Eggert (2007-08-17):
 # Since 1970, most of Indiana has been like America/Indiana/Indianapolis,
 # with the following exceptions:
 #
@@ -556,11 +558,8 @@ Zone America/Boise	-7:44:49 -	LMT	1883 Nov 18 12:15:11
 # - Clark, Floyd, and Harrison counties have been like
 #   America/Kentucky/Louisville.
 #
-# - Daviess, Dubois, Knox, Martin, Perry, and Pulaski counties
-#   have been like America/Indiana/Vincennes.
-#
-# - Crawford, Pike, Starke, and Switzerland counties have their own time zone
-#   histories as noted below.
+# - Crawford, Daviess, Dubois, Knox, Martin, Perry, Pike, Pulaski, Starke,
+#   and Switzerland counties have their own time zone histories as noted below.
 #
 # Shanks partitioned Indiana into 345 regions, each with its own time history,
 # and wrote ``Even newspaper reports present contradictory information.''
@@ -628,8 +627,9 @@ Zone America/Indiana/Marengo -5:45:23 -	LMT	1883 Nov 18 12:14:37
 			-5:00	-	EST	2006
 			-5:00	US	E%sT
 #
-# Daviess, Dubois, Knox, Martin, and Perry Counties, Indiana,
-# switched from eastern to central time in April 2006.
+# Daviess, Dubois, Knox, and Martin Counties, Indiana,
+# switched from eastern to central time in April 2006, then switched back
+# in November 2007.
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
 Rule Vincennes	1946	only	-	Apr	lastSun	2:00	1:00	D
 Rule Vincennes	1946	only	-	Sep	lastSun	2:00	0	S
@@ -647,10 +647,31 @@ Zone America/Indiana/Vincennes -5:50:07 - LMT	1883 Nov 18 12:09:53
 			-5:00	-	EST	1969
 			-5:00	US	E%sT	1971
 			-5:00	-	EST	2006 Apr  2 2:00
+			-6:00	US	C%sT	2007 Nov  4 2:00
+			-5:00	US	E%sT
+#
+# Perry County, Indiana, switched from eastern to central time in April 2006.
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
+Rule Perry	1946	only	-	Apr	lastSun	2:00	1:00	D
+Rule Perry	1946	only	-	Sep	lastSun	2:00	0	S
+Rule Perry	1953	1954	-	Apr	lastSun	2:00	1:00	D
+Rule Perry	1953	1959	-	Sep	lastSun	2:00	0	S
+Rule Perry	1955	only	-	May	 1	0:00	1:00	D
+Rule Perry	1956	1963	-	Apr	lastSun	2:00	1:00	D
+Rule Perry	1960	only	-	Oct	lastSun	2:00	0	S
+Rule Perry	1961	only	-	Sep	lastSun	2:00	0	S
+Rule Perry	1962	1963	-	Oct	lastSun	2:00	0	S
+# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+Zone America/Indiana/Tell_City -5:47:03 - LMT	1883 Nov 18 12:12:57
+			-6:00	US	C%sT	1946
+			-6:00 Perry	C%sT	1964 Apr 26 2:00
+			-5:00	-	EST	1969
+			-5:00	US	E%sT	1971
+			-5:00	-	EST	2006 Apr  2 2:00
 			-6:00	US	C%sT
 #
 # Pike County, Indiana moved from central to eastern time in 1977,
-# then switched back in 2006.
+# then switched back in 2006, then switched back again in 2007.
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER
 Rule	Pike	1955	only	-	May	 1	0:00	1:00	D
 Rule	Pike	1955	1960	-	Sep	lastSun	2:00	0	S
@@ -663,7 +684,8 @@ Zone America/Indiana/Petersburg -5:49:07 - LMT	1883 Nov 18 12:10:53
 			-5:00	-	EST	1966 Oct 30 2:00
 			-6:00	US	C%sT	1977 Oct 30 2:00
 			-5:00	-	EST	2006 Apr  2 2:00
-			-6:00	US	C%sT
+			-6:00	US	C%sT	2007 Nov  4 2:00
+			-5:00	US	E%sT
 #
 # Starke County, Indiana moved from central to eastern time in 1991,
 # then switched back in 2006.
diff --git a/tzdata/zone.tab b/tzdata/zone.tab
index ace7b575..8d4333ad 100644
--- a/tzdata/zone.tab
+++ b/tzdata/zone.tab
@@ -1,4 +1,4 @@
-# @(#)zone.tab	8.10
+# @(#)zone.tab	8.11
 #
 # TZ zone descriptions
 #
@@ -39,7 +39,7 @@ AQ	-6736+06253	Antarctica/Mawson	Mawson Station, Holme Bay
 AQ	-6835+07758	Antarctica/Davis	Davis Station, Vestfold Hills
 AQ	-6617+11031	Antarctica/Casey	Casey Station, Bailey Peninsula
 AQ	-7824+10654	Antarctica/Vostok	Vostok Station, S Magnetic Pole
-AQ	-6640+14001	Antarctica/DumontDUrville	Dumont-d'Urville Base, Terre Adelie
+AQ	-6640+14001	Antarctica/DumontDUrville	Dumont-d'Urville Station, Terre Adelie
 AQ	-690022+0393524	Antarctica/Syowa	Syowa Station, E Ongul I
 AR	-3436-05827	America/Argentina/Buenos_Aires	Buenos Aires (BA, CF)
 AR	-3124-06411	America/Argentina/Cordoba	most locations (CB, CC, CN, ER, FM, LP, MN, NQ, RN, SA, SE, SF, SL)
@@ -65,7 +65,7 @@ AU	-3455+13835	Australia/Adelaide	South Australia
 AU	-1228+13050	Australia/Darwin	Northern Territory
 AU	-3157+11551	Australia/Perth	Western Australia - most locations
 AU	-3143+12852	Australia/Eucla	Western Australia - Eucla area
-AW	+1230-06858	America/Aruba
+AW	+1230-06958	America/Aruba
 AX	+6006+01957	Europe/Mariehamn
 AZ	+4023+04951	Asia/Baku
 BA	+4352+01825	Europe/Sarajevo
@@ -117,10 +117,10 @@ CA	+484531-0913718	America/Atikokan	Eastern Standard Time - Atikokan, Ontario an
 CA	+624900-0920459	America/Rankin_Inlet	Central Time - central Nunavut
 CA	+4953-09709	America/Winnipeg	Central Time - Manitoba & west Ontario
 CA	+4843-09434	America/Rainy_River	Central Time - Rainy River & Fort Frances, Ontario
-CA	+6903-10505	America/Cambridge_Bay	Central Time - west Nunavut
 CA	+5024-10439	America/Regina	Central Standard Time - Saskatchewan - most locations
 CA	+5017-10750	America/Swift_Current	Central Standard Time - Saskatchewan - midwest
 CA	+5333-11328	America/Edmonton	Mountain Time - Alberta, east British Columbia & west Saskatchewan
+CA	+690650-1050310	America/Cambridge_Bay	Mountain Time - west Nunavut
 CA	+6227-11421	America/Yellowknife	Mountain Time - central Northwest Territories
 CA	+682059-1334300	America/Inuvik	Mountain Time - west Northwest Territories
 CA	+5946-12014	America/Dawson_Creek	Mountain Standard Time - Dawson Creek & Fort Saint John, British Columbia
@@ -175,7 +175,7 @@ FM	+0519+16259	Pacific/Kosrae	Kosrae
 FO	+6201-00646	Atlantic/Faroe
 FR	+4852+00220	Europe/Paris
 GA	+0023+00927	Africa/Libreville
-GB	+512830-0001845	Europe/London
+GB	+513030-0000731	Europe/London
 GD	+1203-06145	America/Grenada
 GE	+4143+04449	Asia/Tbilisi
 GF	+0456-05220	America/Cayenne
@@ -369,10 +369,10 @@ TW	+2503+12130	Asia/Taipei
 TZ	-0648+03917	Africa/Dar_es_Salaam
 UA	+5026+03031	Europe/Kiev	most locations
 UA	+4837+02218	Europe/Uzhgorod	Ruthenia
-UA	+4750+03510	Europe/Zaporozhye	Zaporozh'ye, E Lugansk
+UA	+4750+03510	Europe/Zaporozhye	Zaporozh'ye, E Lugansk / Zaporizhia, E Luhansk
 UA	+4457+03406	Europe/Simferopol	central Crimea
 UG	+0019+03225	Africa/Kampala
-UM	+1700-16830	Pacific/Johnston	Johnston Atoll
+UM	+1645-16931	Pacific/Johnston	Johnston Atoll
 UM	+2813-17722	Pacific/Midway	Midway Islands
 UM	+1917+16637	Pacific/Wake	Wake Island
 US	+404251-0740023	America/New_York	Eastern Time
@@ -380,12 +380,13 @@ US	+421953-0830245	America/Detroit	Eastern Time - Michigan - most locations
 US	+381515-0854534	America/Kentucky/Louisville	Eastern Time - Kentucky - Louisville area
 US	+364947-0845057	America/Kentucky/Monticello	Eastern Time - Kentucky - Wayne County
 US	+394606-0860929	America/Indiana/Indianapolis	Eastern Time - Indiana - most locations
+US	+384038-0873143	America/Indiana/Vincennes	Eastern Time - Indiana - Daviess, Dubois, Knox & Martin Counties
 US	+411745-0863730	America/Indiana/Knox	Eastern Time - Indiana - Starke County
 US	+410305-0863611	America/Indiana/Winamac	Eastern Time - Indiana - Pulaski County
 US	+382232-0862041	America/Indiana/Marengo	Eastern Time - Indiana - Crawford County
 US	+384452-0850402	America/Indiana/Vevay	Eastern Time - Indiana - Switzerland County
 US	+415100-0873900	America/Chicago	Central Time
-US	+384038-0873143	America/Indiana/Vincennes	Central Time - Indiana - Daviess, Dubois, Knox, Martin & Perry Counties
+US	+375711-0864541	America/Indiana/Tell_City	Central Time - Indiana - Perry County
 US	+382931-0871643	America/Indiana/Petersburg	Central Time - Indiana - Pike County
 US	+450628-0873651	America/Menominee	Central Time - Michigan - Dickinson, Gogebic, Iron & Menominee Counties
 US	+470659-1011757	America/North_Dakota/Center	Central Time - North Dakota - Oliver County
diff --git a/zoneinfo/Africa/Cairo.ics b/zoneinfo/Africa/Cairo.ics
index 23275581..d749d1c4 100644
--- a/zoneinfo/Africa/Cairo.ics
+++ b/zoneinfo/Africa/Cairo.ics
@@ -2,8 +2,8 @@ BEGIN:VCALENDAR
 PRODID:-//github.com/libical/vzic//NONSGML ICS//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/github.com/libical/tzdbics/20221031_2006m/Africa/Cairo
-LAST-MODIFIED:20221031T145710Z
+TZID:/github.com/libical/tzdbics/20221031_2007g/Africa/Cairo
+LAST-MODIFIED:20221031T150828Z
 X-LIC-LOCATION:Africa/Cairo
 X-PROLEPTIC-TZNAME:LMT
 BEGIN:STANDARD
@@ -108,8 +108,8 @@ BEGIN:STANDARD
 TZNAME:EET
 TZOFFSETFROM:+0300
 TZOFFSETTO:+0200
-DTSTART:20070928T000000
-RRULE:FREQ=YEARLY;BYYEARDAY=-92,-93,-94,-95,-96,-97,-98;BYDAY=FR
+DTSTART:20070907T000000
+RRULE:FREQ=YEARLY;BYMONTH=9;BYMONTHDAY=2,3,4,5,6,7,8;BYDAY=FR
 END:STANDARD
 END:VTIMEZONE
 END:VCALENDAR
diff --git a/zoneinfo/America/Indiana/Petersburg.ics b/zoneinfo/America/Indiana/Petersburg.ics
index 1665c367..f2c8d607 100644
--- a/zoneinfo/America/Indiana/Petersburg.ics
+++ b/zoneinfo/America/Indiana/Petersburg.ics
@@ -2,8 +2,8 @@ BEGIN:VCALENDAR
 PRODID:-//github.com/libical/vzic//NONSGML ICS//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/github.com/libical/tzdbics/20221031_2006a/America/Indiana/Petersburg
-LAST-MODIFIED:20221031T144708Z
+TZID:/github.com/libical/tzdbics/20221031_2007g/America/Indiana/Petersburg
+LAST-MODIFIED:20221031T150828Z
 X-LIC-LOCATION:America/Indiana/Petersburg
 X-PROLEPTIC-TZNAME:LMT
 BEGIN:STANDARD
@@ -53,6 +53,7 @@ TZOFFSETTO:-0500
 DTSTART:19550501T000000
 RDATE:19740106T020000
 RDATE:19750223T020000
+RDATE:20070311T020000
 END:DAYLIGHT
 BEGIN:STANDARD
 TZNAME:CST
@@ -107,6 +108,7 @@ TZNAME:EST
 TZOFFSETFROM:-0500
 TZOFFSETTO:-0500
 DTSTART:19771030T020000
+RDATE:20071104T020000
 END:STANDARD
 BEGIN:DAYLIGHT
 TZNAME:CDT
@@ -115,17 +117,17 @@ TZOFFSETTO:-0500
 DTSTART:20060402T020000
 END:DAYLIGHT
 BEGIN:DAYLIGHT
-TZNAME:CDT
-TZOFFSETFROM:-0600
-TZOFFSETTO:-0500
-DTSTART:20070311T020000
+TZNAME:EDT
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0400
+DTSTART:20080309T020000
 RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=2SU
 END:DAYLIGHT
 BEGIN:STANDARD
-TZNAME:CST
-TZOFFSETFROM:-0500
-TZOFFSETTO:-0600
-DTSTART:20071104T020000
+TZNAME:EST
+TZOFFSETFROM:-0400
+TZOFFSETTO:-0500
+DTSTART:20081102T020000
 RRULE:FREQ=YEARLY;BYMONTH=11;BYDAY=1SU
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/America/Indiana/Tell_City.ics b/zoneinfo/America/Indiana/Tell_City.ics
new file mode 100644
index 00000000..77a83d72
--- /dev/null
+++ b/zoneinfo/America/Indiana/Tell_City.ics
@@ -0,0 +1,127 @@
+BEGIN:VCALENDAR
+PRODID:-//github.com/libical/vzic//NONSGML ICS//EN
+VERSION:2.0
+BEGIN:VTIMEZONE
+TZID:/github.com/libical/tzdbics/20221031_2007g/America/Indiana/Tell_City
+LAST-MODIFIED:20221031T150828Z
+X-LIC-LOCATION:America/Indiana/Tell_City
+X-PROLEPTIC-TZNAME:LMT
+BEGIN:STANDARD
+TZNAME:CST
+TZOFFSETFROM:-054703
+TZOFFSETTO:-0600
+DTSTART:18831118T121257
+END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:CDT
+TZOFFSETFROM:-0600
+TZOFFSETTO:-0500
+DTSTART:19180331T020000
+RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU;UNTIL=19190330T080000Z
+END:DAYLIGHT
+BEGIN:STANDARD
+TZNAME:CST
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0600
+DTSTART:19181027T020000
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU;UNTIL=19191026T070000Z
+END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:CWT
+TZOFFSETFROM:-0600
+TZOFFSETTO:-0500
+DTSTART:19420209T020000
+END:DAYLIGHT
+BEGIN:DAYLIGHT
+TZNAME:CPT
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0500
+DTSTART:19450814T180000
+END:DAYLIGHT
+BEGIN:STANDARD
+TZNAME:CST
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0600
+DTSTART:19450930T020000
+RDATE:19460929T020000
+RDATE:19601030T020000
+RDATE:19610924T020000
+RDATE:20061029T020000
+END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:CDT
+TZOFFSETFROM:-0600
+TZOFFSETTO:-0500
+DTSTART:19460428T020000
+RDATE:19550501T000000
+END:DAYLIGHT
+BEGIN:DAYLIGHT
+TZNAME:CDT
+TZOFFSETFROM:-0600
+TZOFFSETTO:-0500
+DTSTART:19530426T020000
+RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=-1SU;UNTIL=19540425T080000Z
+END:DAYLIGHT
+BEGIN:STANDARD
+TZNAME:CST
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0600
+DTSTART:19530927T020000
+RRULE:FREQ=YEARLY;BYMONTH=9;BYDAY=-1SU;UNTIL=19590927T070000Z
+END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:CDT
+TZOFFSETFROM:-0600
+TZOFFSETTO:-0500
+DTSTART:19560429T020000
+RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=-1SU;UNTIL=19630428T080000Z
+END:DAYLIGHT
+BEGIN:STANDARD
+TZNAME:CST
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0600
+DTSTART:19621028T020000
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU;UNTIL=19631027T070000Z
+END:STANDARD
+BEGIN:STANDARD
+TZNAME:EST
+TZOFFSETFROM:-0600
+TZOFFSETTO:-0500
+DTSTART:19640426T020000
+END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:EDT
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0400
+DTSTART:19690427T020000
+RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=-1SU;UNTIL=19700426T070000Z
+END:DAYLIGHT
+BEGIN:STANDARD
+TZNAME:EST
+TZOFFSETFROM:-0400
+TZOFFSETTO:-0500
+DTSTART:19691026T020000
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU;UNTIL=19701025T060000Z
+END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:CDT
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0500
+DTSTART:20060402T020000
+END:DAYLIGHT
+BEGIN:DAYLIGHT
+TZNAME:CDT
+TZOFFSETFROM:-0600
+TZOFFSETTO:-0500
+DTSTART:20070311T020000
+RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=2SU
+END:DAYLIGHT
+BEGIN:STANDARD
+TZNAME:CST
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0600
+DTSTART:20071104T020000
+RRULE:FREQ=YEARLY;BYMONTH=11;BYDAY=1SU
+END:STANDARD
+END:VTIMEZONE
+END:VCALENDAR
diff --git a/zoneinfo/America/Indiana/Vincennes.ics b/zoneinfo/America/Indiana/Vincennes.ics
index 120fa238..d4bfdc09 100644
--- a/zoneinfo/America/Indiana/Vincennes.ics
+++ b/zoneinfo/America/Indiana/Vincennes.ics
@@ -2,8 +2,8 @@ BEGIN:VCALENDAR
 PRODID:-//github.com/libical/vzic//NONSGML ICS//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/github.com/libical/tzdbics/20221031_2006a/America/Indiana/Vincennes
-LAST-MODIFIED:20221031T144708Z
+TZID:/github.com/libical/tzdbics/20221031_2007g/America/Indiana/Vincennes
+LAST-MODIFIED:20221031T150828Z
 X-LIC-LOCATION:America/Indiana/Vincennes
 X-PROLEPTIC-TZNAME:LMT
 BEGIN:STANDARD
@@ -54,6 +54,7 @@ TZOFFSETFROM:-0600
 TZOFFSETTO:-0500
 DTSTART:19460428T020000
 RDATE:19550501T000000
+RDATE:20070311T020000
 END:DAYLIGHT
 BEGIN:DAYLIGHT
 TZNAME:CDT
@@ -109,18 +110,24 @@ TZOFFSETFROM:-0500
 TZOFFSETTO:-0500
 DTSTART:20060402T020000
 END:DAYLIGHT
-BEGIN:DAYLIGHT
-TZNAME:CDT
-TZOFFSETFROM:-0600
+BEGIN:STANDARD
+TZNAME:EST
+TZOFFSETFROM:-0500
 TZOFFSETTO:-0500
-DTSTART:20070311T020000
+DTSTART:20071104T020000
+END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:EDT
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0400
+DTSTART:20080309T020000
 RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=2SU
 END:DAYLIGHT
 BEGIN:STANDARD
-TZNAME:CST
-TZOFFSETFROM:-0500
-TZOFFSETTO:-0600
-DTSTART:20071104T020000
+TZNAME:EST
+TZOFFSETFROM:-0400
+TZOFFSETTO:-0500
+DTSTART:20081102T020000
 RRULE:FREQ=YEARLY;BYMONTH=11;BYDAY=1SU
 END:STANDARD
 END:VTIMEZONE
diff --git a/zoneinfo/Antarctica/McMurdo.ics b/zoneinfo/Antarctica/McMurdo.ics
index 4b98c23b..dcbff6a1 100644
--- a/zoneinfo/Antarctica/McMurdo.ics
+++ b/zoneinfo/Antarctica/McMurdo.ics
@@ -2,8 +2,8 @@ BEGIN:VCALENDAR
 PRODID:-//github.com/libical/vzic//NONSGML ICS//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/github.com/libical/tzdbics/20221031_2001a/Antarctica/McMurdo
-LAST-MODIFIED:20221031T140715Z
+TZID:/github.com/libical/tzdbics/20221031_2007g/Antarctica/McMurdo
+LAST-MODIFIED:20221031T150828Z
 X-LIC-LOCATION:Antarctica/McMurdo
 X-PROLEPTIC-TZNAME:zzz
 BEGIN:STANDARD
@@ -44,14 +44,28 @@ TZNAME:NZST
 TZOFFSETFROM:+1300
 TZOFFSETTO:+1200
 DTSTART:19900318T030000
-RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=3SU
+RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=3SU;UNTIL=20070317T140000Z
 END:STANDARD
 BEGIN:DAYLIGHT
 TZNAME:NZDT
 TZOFFSETFROM:+1200
 TZOFFSETTO:+1300
 DTSTART:19901007T020000
-RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=1SU
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=1SU;UNTIL=20060930T140000Z
 END:DAYLIGHT
+BEGIN:DAYLIGHT
+TZNAME:NZDT
+TZOFFSETFROM:+1200
+TZOFFSETTO:+1300
+DTSTART:20070930T020000
+RRULE:FREQ=YEARLY;BYMONTH=9;BYDAY=-1SU
+END:DAYLIGHT
+BEGIN:STANDARD
+TZNAME:NZST
+TZOFFSETFROM:+1300
+TZOFFSETTO:+1200
+DTSTART:20080406T030000
+RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=1SU
+END:STANDARD
 END:VTIMEZONE
 END:VCALENDAR
diff --git a/zoneinfo/Australia/Adelaide.ics b/zoneinfo/Australia/Adelaide.ics
index 8d2d9cc9..ff31d565 100644
--- a/zoneinfo/Australia/Adelaide.ics
+++ b/zoneinfo/Australia/Adelaide.ics
@@ -2,8 +2,8 @@ BEGIN:VCALENDAR
 PRODID:-//github.com/libical/vzic//NONSGML ICS//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/github.com/libical/tzdbics/20221031_2005l/Australia/Adelaide
-LAST-MODIFIED:20221031T143909Z
+TZID:/github.com/libical/tzdbics/20221031_2007g/Australia/Adelaide
+LAST-MODIFIED:20221031T150828Z
 X-LIC-LOCATION:Australia/Adelaide
 X-PROLEPTIC-TZNAME:LMT
 BEGIN:STANDARD
@@ -41,6 +41,7 @@ RDATE:19920322T030000
 RDATE:19930307T030000
 RDATE:19940320T030000
 RDATE:20060402T030000
+RDATE:20070325T030000
 END:STANDARD
 BEGIN:STANDARD
 TZNAME:CST
@@ -75,7 +76,7 @@ TZNAME:CST
 TZOFFSETFROM:+0930
 TZOFFSETTO:+1030
 DTSTART:19871025T020000
-RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU;UNTIL=20071027T163000Z
 END:DAYLIGHT
 BEGIN:STANDARD
 TZNAME:CST
@@ -88,8 +89,15 @@ BEGIN:STANDARD
 TZNAME:CST
 TZOFFSETFROM:+1030
 TZOFFSETTO:+0930
-DTSTART:20070325T030000
-RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
+DTSTART:20080406T030000
+RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=1SU
 END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:CST
+TZOFFSETFROM:+0930
+TZOFFSETTO:+1030
+DTSTART:20081005T020000
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=1SU
+END:DAYLIGHT
 END:VTIMEZONE
 END:VCALENDAR
diff --git a/zoneinfo/Australia/Broken_Hill.ics b/zoneinfo/Australia/Broken_Hill.ics
index 7fff4013..1698a8ca 100644
--- a/zoneinfo/Australia/Broken_Hill.ics
+++ b/zoneinfo/Australia/Broken_Hill.ics
@@ -2,8 +2,8 @@ BEGIN:VCALENDAR
 PRODID:-//github.com/libical/vzic//NONSGML ICS//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/github.com/libical/tzdbics/20221031_2005l/Australia/Broken_Hill
-LAST-MODIFIED:20221031T143909Z
+TZID:/github.com/libical/tzdbics/20221031_2007g/Australia/Broken_Hill
+LAST-MODIFIED:20221031T150828Z
 X-LIC-LOCATION:Australia/Broken_Hill
 X-PROLEPTIC-TZNAME:LMT
 BEGIN:STANDARD
@@ -43,6 +43,7 @@ RDATE:19420329T020000
 RDATE:19720227T030000
 RDATE:19820404T030000
 RDATE:20060402T030000
+RDATE:20070325T030000
 END:STANDARD
 BEGIN:STANDARD
 TZNAME:CST
@@ -84,7 +85,7 @@ TZNAME:CST
 TZOFFSETFROM:+0930
 TZOFFSETTO:+1030
 DTSTART:19871025T020000
-RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU;UNTIL=20071027T163000Z
 END:DAYLIGHT
 BEGIN:STANDARD
 TZNAME:CST
@@ -110,8 +111,15 @@ BEGIN:STANDARD
 TZNAME:CST
 TZOFFSETFROM:+1030
 TZOFFSETTO:+0930
-DTSTART:20070325T030000
-RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
+DTSTART:20080406T030000
+RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=1SU
 END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:CST
+TZOFFSETFROM:+0930
+TZOFFSETTO:+1030
+DTSTART:20081005T020000
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=1SU
+END:DAYLIGHT
 END:VTIMEZONE
 END:VCALENDAR
diff --git a/zoneinfo/Australia/Currie.ics b/zoneinfo/Australia/Currie.ics
index 100f27ae..f76c88d9 100644
--- a/zoneinfo/Australia/Currie.ics
+++ b/zoneinfo/Australia/Currie.ics
@@ -2,8 +2,8 @@ BEGIN:VCALENDAR
 PRODID:-//github.com/libical/vzic//NONSGML ICS//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/github.com/libical/tzdbics/20221031_2005l/Australia/Currie
-LAST-MODIFIED:20221031T143909Z
+TZID:/github.com/libical/tzdbics/20221031_2007g/Australia/Currie
+LAST-MODIFIED:20221031T150828Z
 X-LIC-LOCATION:Australia/Currie
 X-PROLEPTIC-TZNAME:LMT
 BEGIN:STANDARD
@@ -32,6 +32,7 @@ DTSTART:19170325T020000
 RDATE:19420329T020000
 RDATE:19720227T030000
 RDATE:20060402T030000
+RDATE:20070325T030000
 END:STANDARD
 BEGIN:STANDARD
 TZNAME:EST
@@ -107,8 +108,8 @@ BEGIN:STANDARD
 TZNAME:EST
 TZOFFSETFROM:+1100
 TZOFFSETTO:+1000
-DTSTART:20070325T030000
-RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
+DTSTART:20080406T030000
+RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=1SU
 END:STANDARD
 END:VTIMEZONE
 END:VCALENDAR
diff --git a/zoneinfo/Australia/Hobart.ics b/zoneinfo/Australia/Hobart.ics
index 10fb30cb..ba24023f 100644
--- a/zoneinfo/Australia/Hobart.ics
+++ b/zoneinfo/Australia/Hobart.ics
@@ -2,8 +2,8 @@ BEGIN:VCALENDAR
 PRODID:-//github.com/libical/vzic//NONSGML ICS//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/github.com/libical/tzdbics/20221031_2005l/Australia/Hobart
-LAST-MODIFIED:20221031T143909Z
+TZID:/github.com/libical/tzdbics/20221031_2007g/Australia/Hobart
+LAST-MODIFIED:20221031T150828Z
 X-LIC-LOCATION:Australia/Hobart
 X-PROLEPTIC-TZNAME:LMT
 BEGIN:STANDARD
@@ -34,6 +34,7 @@ RDATE:19420329T020000
 RDATE:19680331T030000
 RDATE:19720227T030000
 RDATE:20060402T030000
+RDATE:20070325T030000
 END:STANDARD
 BEGIN:STANDARD
 TZNAME:EST
@@ -116,8 +117,8 @@ BEGIN:STANDARD
 TZNAME:EST
 TZOFFSETFROM:+1100
 TZOFFSETTO:+1000
-DTSTART:20070325T030000
-RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
+DTSTART:20080406T030000
+RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=1SU
 END:STANDARD
 END:VTIMEZONE
 END:VCALENDAR
diff --git a/zoneinfo/Australia/Lord_Howe.ics b/zoneinfo/Australia/Lord_Howe.ics
index e1194c45..39be4d2e 100644
--- a/zoneinfo/Australia/Lord_Howe.ics
+++ b/zoneinfo/Australia/Lord_Howe.ics
@@ -2,8 +2,8 @@ BEGIN:VCALENDAR
 PRODID:-//github.com/libical/vzic//NONSGML ICS//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/github.com/libical/tzdbics/20221031_2005l/Australia/Lord_Howe
-LAST-MODIFIED:20221031T143909Z
+TZID:/github.com/libical/tzdbics/20221031_2007g/Australia/Lord_Howe
+LAST-MODIFIED:20221031T150828Z
 X-LIC-LOCATION:Australia/Lord_Howe
 X-PROLEPTIC-TZNAME:LMT
 BEGIN:STANDARD
@@ -73,20 +73,28 @@ TZNAME:LHST
 TZOFFSETFROM:+1030
 TZOFFSETTO:+1100
 DTSTART:20011028T020000
-RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU;UNTIL=20071027T153000Z
 END:DAYLIGHT
 BEGIN:STANDARD
 TZNAME:LHST
 TZOFFSETFROM:+1100
 TZOFFSETTO:+1030
 DTSTART:20060402T020000
+RDATE:20070325T020000
 END:STANDARD
 BEGIN:STANDARD
 TZNAME:LHST
 TZOFFSETFROM:+1100
 TZOFFSETTO:+1030
-DTSTART:20070325T020000
-RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
+DTSTART:20080406T020000
+RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=1SU
 END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:LHST
+TZOFFSETFROM:+1030
+TZOFFSETTO:+1100
+DTSTART:20081005T020000
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=1SU
+END:DAYLIGHT
 END:VTIMEZONE
 END:VCALENDAR
diff --git a/zoneinfo/Australia/Melbourne.ics b/zoneinfo/Australia/Melbourne.ics
index b871e116..8e893d94 100644
--- a/zoneinfo/Australia/Melbourne.ics
+++ b/zoneinfo/Australia/Melbourne.ics
@@ -2,8 +2,8 @@ BEGIN:VCALENDAR
 PRODID:-//github.com/libical/vzic//NONSGML ICS//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/github.com/libical/tzdbics/20221031_2005l/Australia/Melbourne
-LAST-MODIFIED:20221031T143909Z
+TZID:/github.com/libical/tzdbics/20221031_2007g/Australia/Melbourne
+LAST-MODIFIED:20221031T150828Z
 X-LIC-LOCATION:Australia/Melbourne
 X-PROLEPTIC-TZNAME:LMT
 BEGIN:STANDARD
@@ -30,6 +30,7 @@ DTSTART:19170325T020000
 RDATE:19420329T020000
 RDATE:19720227T030000
 RDATE:20060402T030000
+RDATE:20070325T030000
 END:STANDARD
 BEGIN:STANDARD
 TZNAME:EST
@@ -92,14 +93,21 @@ TZNAME:EST
 TZOFFSETFROM:+1000
 TZOFFSETTO:+1100
 DTSTART:20011028T020000
-RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU;UNTIL=20071027T160000Z
 END:DAYLIGHT
 BEGIN:STANDARD
 TZNAME:EST
 TZOFFSETFROM:+1100
 TZOFFSETTO:+1000
-DTSTART:20070325T030000
-RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
+DTSTART:20080406T030000
+RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=1SU
 END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:EST
+TZOFFSETFROM:+1000
+TZOFFSETTO:+1100
+DTSTART:20081005T020000
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=1SU
+END:DAYLIGHT
 END:VTIMEZONE
 END:VCALENDAR
diff --git a/zoneinfo/Australia/Sydney.ics b/zoneinfo/Australia/Sydney.ics
index 756f5006..62d036ac 100644
--- a/zoneinfo/Australia/Sydney.ics
+++ b/zoneinfo/Australia/Sydney.ics
@@ -2,8 +2,8 @@ BEGIN:VCALENDAR
 PRODID:-//github.com/libical/vzic//NONSGML ICS//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/github.com/libical/tzdbics/20221031_2005l/Australia/Sydney
-LAST-MODIFIED:20221031T143909Z
+TZID:/github.com/libical/tzdbics/20221031_2007g/Australia/Sydney
+LAST-MODIFIED:20221031T150828Z
 X-LIC-LOCATION:Australia/Sydney
 X-PROLEPTIC-TZNAME:LMT
 BEGIN:STANDARD
@@ -32,6 +32,7 @@ RDATE:19420329T020000
 RDATE:19720227T030000
 RDATE:19820404T030000
 RDATE:20060402T030000
+RDATE:20070325T030000
 END:STANDARD
 BEGIN:STANDARD
 TZNAME:EST
@@ -94,14 +95,21 @@ TZNAME:EST
 TZOFFSETFROM:+1000
 TZOFFSETTO:+1100
 DTSTART:20011028T020000
-RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU;UNTIL=20071027T160000Z
 END:DAYLIGHT
 BEGIN:STANDARD
 TZNAME:EST
 TZOFFSETFROM:+1100
 TZOFFSETTO:+1000
-DTSTART:20070325T030000
-RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
+DTSTART:20080406T030000
+RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=1SU
 END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:EST
+TZOFFSETFROM:+1000
+TZOFFSETTO:+1100
+DTSTART:20081005T020000
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=1SU
+END:DAYLIGHT
 END:VTIMEZONE
 END:VCALENDAR
diff --git a/zoneinfo/zones.h b/zoneinfo/zones.h
index db307d29..8482279c 100644
--- a/zoneinfo/zones.h
+++ b/zoneinfo/zones.h
@@ -112,6 +112,7 @@ N_("America/Indiana/Indianapolis");
 N_("America/Indiana/Knox");
 N_("America/Indiana/Marengo");
 N_("America/Indiana/Petersburg");
+N_("America/Indiana/Tell_City");
 N_("America/Indiana/Vevay");
 N_("America/Indiana/Vincennes");
 N_("America/Indiana/Winamac");
diff --git a/zoneinfo/zones.tab b/zoneinfo/zones.tab
index 5aa707fe..671cab5e 100644
--- a/zoneinfo/zones.tab
+++ b/zoneinfo/zones.tab
@@ -64,7 +64,7 @@
 -0313200 -0683100 America/Argentina/San_Juan
 -0264900 -0651300 America/Argentina/Tucuman
 -0544800 -0681800 America/Argentina/Ushuaia
-+0123000 -0685800 America/Aruba
++0123000 -0695800 America/Aruba
 -0251600 -0574000 America/Asuncion
 +0484531 -0913718 America/Atikokan
 -0125900 -0383100 America/Bahia
@@ -75,7 +75,7 @@
 +0024900 -0604000 America/Boa_Vista
 +0043600 -0740500 America/Bogota
 +0433649 -1161209 America/Boise
-+0690300 -1050500 America/Cambridge_Bay
++0690650 -1050310 America/Cambridge_Bay
 -0202700 -0543700 America/Campo_Grande
 +0210500 -0864600 America/Cancun
 +0103000 -0665600 America/Caracas
@@ -112,6 +112,7 @@
 +0411745 -0863730 America/Indiana/Knox
 +0382232 -0862041 America/Indiana/Marengo
 +0382931 -0871643 America/Indiana/Petersburg
++0375711 -0864541 America/Indiana/Tell_City
 +0384452 -0850402 America/Indiana/Vevay
 +0384038 -0873143 America/Indiana/Vincennes
 +0410305 -0863611 America/Indiana/Winamac
@@ -337,7 +338,7 @@ Etc/UTC
 +0544300 +0203000 Europe/Kaliningrad
 +0502600 +0303100 Europe/Kiev
 +0384300 -0090800 Europe/Lisbon
-+0512830 +0001845 Europe/London
++0513030 +0000731 Europe/London
 +0493600 +0060900 Europe/Luxembourg
 +0402400 -0034100 Europe/Madrid
 +0355400 +0143100 Europe/Malta
@@ -393,7 +394,7 @@ PST8PDT
 -0093200 +1601200 Pacific/Guadalcanal
 +0132800 +1444500 Pacific/Guam
 +0211825 -1575130 Pacific/Honolulu
-+0170000 -1683000 Pacific/Johnston
++0164500 -1693100 Pacific/Johnston
 +0015200 -1572000 Pacific/Kiritimati
 +0051900 +1625900 Pacific/Kosrae
 +0090500 +1672000 Pacific/Kwajalein