diff --git a/share/zoneinfo/zone.tab b/share/zoneinfo/zone.tab
index fef6a7244fec..08de87adb250 100644
--- a/share/zoneinfo/zone.tab
+++ b/share/zoneinfo/zone.tab
@@ -3,7 +3,7 @@
 # From Paul Eggert <eggert@twinsun.com> (1996-08-05):
 #
 # This file contains a table with the following columns:
-# 1.  ISO 3166 2-character country code.  See the file `iso3166.tab'.
+# 1.  ISO 3166 2-character country code.  See /usr/share/misc/iso3166.
 # 2.  Latitude and longitude of the zone's principal location
 #     in ISO 6709 sign-degrees-minutes-seconds format,
 #     either +-DDMM+-DDDMM or +-DDMMSS+-DDDMMSS,
@@ -31,9 +31,16 @@ AN	+1211-06900	America/Curacao
 AO	-0848+01314	Africa/Luanda
 AQ	-7750+16636	Antarctica/McMurdo	McMurdo Station, Ross Island
 AQ	-9000+00000	Antarctica/South_Pole	Amundsen-Scott Station, South Pole
-AQ	-6617+11031	Antarctica/Casey	Casey Station, Bailey Peninsula
+AQ	-6448-06406	Antarctica/Palmer	Palmer Station, Anvers Island
 AQ	-6736+06253	Antarctica/Mawson	Mawson Station, Holme Bay
-AR	-3436-05827	America/Buenos_Aires
+AQ	-6617+11031	Antarctica/Casey	Casey Station, Bailey Peninsula
+AQ	-6640+14001	Antarctica/DumontDUrville	Dumont-d'Urville Base, Terre Adelie
+AR	-3436-05827	America/Buenos_Aires	E Argentina (BA, DF, SC, TF)
+AR	-3257-06040	America/Rosario	NE Argentina (SF, ER, CN, MN, CC, FM, LP, CH)
+AR	-3124-06411	America/Cordoba	W Argentina (CB, SA, TM, LR, SJ, SL, NQ, RN)
+AR	-2411-06518	America/Jujuy	Jujuy (JY)
+AR	-2828-06547	America/Catamarca	Catamarca (CT)
+AR	-3253-06849	America/Mendoza	Mendoza (MZ)
 AS	-1416-17042	Pacific/Pago_Pago
 AT	+4813+01620	Europe/Vienna
 AU	-3133+15905	Australia/Lord_Howe	Lord Howe Island
@@ -41,7 +48,8 @@ AU	-4253+14719	Australia/Hobart	Tasmania
 AU	-3749+14458	Australia/Melbourne	Victoria
 AU	-3352+15113	Australia/Sydney	New South Wales - most locations
 AU	-3157+14127	Australia/Broken_Hill	New South Wales - Broken Hill
-AU	-2728+15302	Australia/Brisbane	Queensland
+AU	-2728+15302	Australia/Brisbane	Queensland - most locations
+AU	-2016+14900	Australia/Lindeman	Queensland - Holiday Islands
 AU	-3455+13835	Australia/Adelaide	South Australia
 AU	-1228+13050	Australia/Darwin	Northern Territory
 AU	-3157+11551	Australia/Perth	Western Australia
@@ -59,9 +67,12 @@ BJ	+0629+00237	Africa/Porto-Novo
 BM	+3217-06446	Atlantic/Bermuda
 BN	+0456+11455	Asia/Brunei
 BO	-1630-06809	America/La_Paz
-BR	-0351-03225	America/Noronha	Atlantic islands
-BR	-2332-04637	America/Sao_Paulo	east Brazil
-BR	-0308-06001	America/Manaus	west Brazil
+BR	-0351-03225	America/Noronha	Fernando de Noronha
+BR	-0343-03830	America/Fortaleza	NE Brazil (AP, east PA, MA, PI, CE, RN, PR, PE)
+BR	-0940-03543	America/Maceio	ENE Brazil (AL, SE, TO)
+BR	-2332-04637	America/Sao_Paulo	S & SE Brazil (BA, GO, DF, MG, ES, RJ, SP, PR, SC, RS)
+BR	-1535-05605	America/Cuiaba	SW Brazil (MT, MS)
+BR	-0308-06001	America/Manaus	NW Brazil (RR, west PA, AM, RO)
 BR	-0934-06731	America/Porto_Acre	Acre
 BS	+2505-07721	America/Nassau
 BT	+2728+08939	Asia/Thimbu
@@ -69,8 +80,9 @@ BW	-2545+02555	Africa/Gaborone
 BY	+5354+02734	Europe/Minsk
 BZ	+1730-08812	America/Belize
 CA	+4734-05243	America/St_Johns	Newfoundland Island
-CA	+4439-06336	America/Halifax	Atlantic Time - Nova Scotia (most locations), New Brunswick, Labrador & PEI
+CA	+4439-06336	America/Halifax	Atlantic Time - Nova Scotia (most places), NB, W Labrador, E Quebec & PEI
 CA	+4612-05957	America/Glace_Bay	Atlantic Time - Nova Scotia - places that did not observe DST 1966-1971
+CA	+5320-06025	America/Goose_Bay	Atlantic Time - E Labrador
 CA	+6608-06544	America/Pangnirtung	Atlantic Time - Northwest Territories
 CA	+4531-07334	America/Montreal	Eastern Time - Ontario & Quebec - most locations
 CA	+4901-08816	America/Nipigon	Eastern Time - Ontario & Quebec - places that did not observe DST 1967-1973
@@ -89,6 +101,8 @@ CA	+4916-12307	America/Vancouver	Pacific Time - west British Columbia
 CA	+6043-13503	America/Whitehorse	Pacific Time - south Yukon
 CA	+6404-13925	America/Dawson	Pacific Time - north Yukon
 CC	-1210+09655	Indian/Cocos
+CD	-0418+01518	Africa/Kinshasa	west Dem. Rep. of Congo
+CD	-1140+02728	Africa/Lubumbashi	east Dem. Rep. of Congo
 CF	+0422+01835	Africa/Bangui
 CG	-0416+01517	Africa/Brazzaville
 CH	+4723+00832	Europe/Zurich
@@ -99,6 +113,7 @@ CL	-2710-10927	Pacific/Easter	Easter Island
 CM	+0403+00942	Africa/Douala
 CN	+4545+12641	Asia/Harbin	north Manchuria
 CN	+3114+12128	Asia/Shanghai	China coast
+CN	+2217+11409	Asia/Hong_Kong	Hong Kong
 CN	+2934+10635	Asia/Chungking	China mountains
 CN	+4348+08735	Asia/Urumqi	Tibet & Xinjiang
 CN	+3929+07559	Asia/Kashgar	Eastern Turkestan
@@ -155,7 +170,6 @@ GT	+1438-09031	America/Guatemala
 GU	+1328+14445	Pacific/Guam
 GW	+1151-01535	Africa/Bissau
 GY	+0648-05810	America/Guyana
-HK	+2217+11409	Asia/Hong_Kong
 HN	+1406-08713	America/Tegucigalpa
 HR	+4548+01558	Europe/Zagreb
 HT	+1832-07220	America/Port-au-Prince
@@ -189,7 +203,8 @@ KR	+3733+12658	Asia/Seoul
 KW	+2920+04759	Asia/Kuwait
 KY	+1918-08123	America/Cayman
 KZ	+4315+07657	Asia/Alma-Ata	east Kazakhstan
-KZ	+5016+07302	Asia/Aktau	west Kazakhstan
+KZ	+5017+05710	Asia/Aqtobe	central Kazakhstan
+KZ	+4431+05016	Asia/Aqtau	west Kazakhstan
 LA	+1758+10236	Asia/Vientiane
 LB	+3353+03530	Asia/Beirut
 LC	+1401-06100	America/St_Lucia
@@ -216,7 +231,7 @@ MO	+2214+11335	Asia/Macao
 MP	+1512+14545	Pacific/Saipan
 MQ	+1436-06105	America/Martinique
 MR	+1806-01557	Africa/Nouakchott
-MS	+1642-06213	America/Montserrat
+MS	+1644-06213	America/Montserrat
 MT	+3554+01431	Europe/Malta
 MU	-2010+05730	Indian/Mauritius
 MV	+0410+07330	Indian/Maldives
@@ -262,15 +277,16 @@ PY	-2516-05740	America/Asuncion
 QA	+2517+05132	Asia/Qatar
 RE	-2052+05528	Indian/Reunion
 RO	+4426+02606	Europe/Bucharest
+RU	+5443+02030	Europe/Kaliningrad	Moscow-01 - Kaliningrad
 RU	+5545+03735	Europe/Moscow	Moscow+00 - west Russia
-RU	+5312+05009	Europe/Kuybyshev	Moscow+01 - Caspian Sea
+RU	+5312+05009	Europe/Samara	Moscow+01 - Caspian Sea
 RU	+5651+06036	Asia/Yekaterinburg	Moscow+02 - Urals
 RU	+5500+07324	Asia/Omsk	Moscow+03 - west Siberia
 RU	+5502+08255	Asia/Novosibirsk	Moscow+03 - Novosibirsk
 RU	+5601+09250	Asia/Krasnoyarsk	Moscow+04 - Yenisei River
-RU	+5216+10420	Asia/Irkutsk	Moscow+05 - Irkutsk
+RU	+5216+10420	Asia/Irkutsk	Moscow+05 - Lake Baikal
 RU	+6200+12940	Asia/Yakutsk	Moscow+06 - Lena River
-RU	+4310+13156	Asia/Vladivostok	Moscow+07 - Vladivostok
+RU	+4310+13156	Asia/Vladivostok	Moscow+07 - Amur River
 RU	+5934+15048	Asia/Magadan	Moscow+08 - Magadan & Sakhalin
 RU	+5301+15839	Asia/Kamchatka	Moscow+09 - Kamchatka
 RU	+6445+17729	Asia/Anadyr	Moscow+10 - Bering Sea
@@ -297,6 +313,7 @@ SY	+3330+03618	Asia/Damascus
 SZ	-2618+03106	Africa/Mbabane
 TC	+2128-07108	America/Grand_Turk
 TD	+1207+01503	Africa/Ndjamena
+TF	-492110+0701303	Indian/Kerguelen
 TG	+0608+00113	Africa/Lome
 TH	+1345+10031	Asia/Bangkok
 TJ	+3835+06848	Asia/Dushanbe
@@ -351,6 +368,4 @@ YT	-1247+04514	Indian/Mayotte
 YU	+4450+02030	Europe/Belgrade
 ZA	-2615+02800	Africa/Johannesburg
 ZM	-1525+02817	Africa/Lusaka
-ZR	-0418+01518	Africa/Kinshasa	west Zaire
-ZR	-1140+02728	Africa/Lubumbashi	east Zaire
 ZW	-1750+03103	Africa/Harare