dotnet · lewing · Oct 13, 2021 · Sep 30, 2021
diff --git a/src/System.Runtime.TimeZoneData/System.Runtime.TimeZoneData.csproj b/src/System.Runtime.TimeZoneData/System.Runtime.TimeZoneData.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.Build.NoTargets">
   <PropertyGroup>
-    <TimeZoneDataVersion>2021a</TimeZoneDataVersion>
+    <TimeZoneDataVersion>2021b</TimeZoneDataVersion>
     <TimeZoneDataIntermediateDir>$([MSBuild]::NormalizeDirectory('$(IntermediateOutputPath)', 'timezonedata'))</TimeZoneDataIntermediateDir>
     <TimeZoneDataSrcDir>$([MSBuild]::NormalizeDirectory('$(MSBuildProjectDirectory)', 'data'))</TimeZoneDataSrcDir>
     <ZicBloat>slim</ZicBloat>

diff --git a/src/System.Runtime.TimeZoneData/data/Africa/Accra b/src/System.Runtime.TimeZoneData/data/Africa/Accra
diff --git a/src/System.Runtime.TimeZoneData/data/America/Anguilla b/src/System.Runtime.TimeZoneData/data/America/Anguilla
diff --git a/src/System.Runtime.TimeZoneData/data/America/Antigua b/src/System.Runtime.TimeZoneData/data/America/Antigua
diff --git a/src/System.Runtime.TimeZoneData/data/America/Aruba b/src/System.Runtime.TimeZoneData/data/America/Aruba
diff --git a/src/System.Runtime.TimeZoneData/data/America/Atikokan b/src/System.Runtime.TimeZoneData/data/America/Atikokan
diff --git a/src/System.Runtime.TimeZoneData/data/America/Barbados b/src/System.Runtime.TimeZoneData/data/America/Barbados
diff --git a/src/System.Runtime.TimeZoneData/data/America/Blanc-Sablon b/src/System.Runtime.TimeZoneData/data/America/Blanc-Sablon
diff --git a/src/System.Runtime.TimeZoneData/data/America/Coral_Harbour b/src/System.Runtime.TimeZoneData/data/America/Coral_Harbour
diff --git a/src/System.Runtime.TimeZoneData/data/America/Creston b/src/System.Runtime.TimeZoneData/data/America/Creston
diff --git a/src/System.Runtime.TimeZoneData/data/America/Curacao b/src/System.Runtime.TimeZoneData/data/America/Curacao
diff --git a/src/System.Runtime.TimeZoneData/data/America/Dominica b/src/System.Runtime.TimeZoneData/data/America/Dominica
diff --git a/src/System.Runtime.TimeZoneData/data/America/Grenada b/src/System.Runtime.TimeZoneData/data/America/Grenada
diff --git a/src/System.Runtime.TimeZoneData/data/America/Guadeloupe b/src/System.Runtime.TimeZoneData/data/America/Guadeloupe
diff --git a/src/System.Runtime.TimeZoneData/data/America/Guyana b/src/System.Runtime.TimeZoneData/data/America/Guyana
diff --git a/src/System.Runtime.TimeZoneData/data/America/Kralendijk b/src/System.Runtime.TimeZoneData/data/America/Kralendijk
diff --git a/src/System.Runtime.TimeZoneData/data/America/Lower_Princes b/src/System.Runtime.TimeZoneData/data/America/Lower_Princes
diff --git a/src/System.Runtime.TimeZoneData/data/America/Marigot b/src/System.Runtime.TimeZoneData/data/America/Marigot
diff --git a/src/System.Runtime.TimeZoneData/data/America/Montserrat b/src/System.Runtime.TimeZoneData/data/America/Montserrat
diff --git a/src/System.Runtime.TimeZoneData/data/America/Nassau b/src/System.Runtime.TimeZoneData/data/America/Nassau
diff --git a/src/System.Runtime.TimeZoneData/data/America/Port_of_Spain b/src/System.Runtime.TimeZoneData/data/America/Port_of_Spain
diff --git a/src/System.Runtime.TimeZoneData/data/America/St_Barthelemy b/src/System.Runtime.TimeZoneData/data/America/St_Barthelemy
diff --git a/src/System.Runtime.TimeZoneData/data/America/St_Kitts b/src/System.Runtime.TimeZoneData/data/America/St_Kitts
diff --git a/src/System.Runtime.TimeZoneData/data/America/St_Lucia b/src/System.Runtime.TimeZoneData/data/America/St_Lucia
diff --git a/src/System.Runtime.TimeZoneData/data/America/St_Thomas b/src/System.Runtime.TimeZoneData/data/America/St_Thomas
diff --git a/src/System.Runtime.TimeZoneData/data/America/St_Vincent b/src/System.Runtime.TimeZoneData/data/America/St_Vincent
diff --git a/src/System.Runtime.TimeZoneData/data/America/Tortola b/src/System.Runtime.TimeZoneData/data/America/Tortola
diff --git a/src/System.Runtime.TimeZoneData/data/America/Virgin b/src/System.Runtime.TimeZoneData/data/America/Virgin
diff --git a/src/System.Runtime.TimeZoneData/data/Antarctica/DumontDUrville b/src/System.Runtime.TimeZoneData/data/Antarctica/DumontDUrville
diff --git a/src/System.Runtime.TimeZoneData/data/Antarctica/Syowa b/src/System.Runtime.TimeZoneData/data/Antarctica/Syowa
diff --git a/src/System.Runtime.TimeZoneData/data/Asia/Amman b/src/System.Runtime.TimeZoneData/data/Asia/Amman
diff --git a/src/System.Runtime.TimeZoneData/data/Atlantic/Azores b/src/System.Runtime.TimeZoneData/data/Atlantic/Azores
diff --git a/src/System.Runtime.TimeZoneData/data/Atlantic/Jan_Mayen b/src/System.Runtime.TimeZoneData/data/Atlantic/Jan_Mayen
diff --git a/src/System.Runtime.TimeZoneData/data/Atlantic/Madeira b/src/System.Runtime.TimeZoneData/data/Atlantic/Madeira
diff --git a/src/System.Runtime.TimeZoneData/data/Europe/Lisbon b/src/System.Runtime.TimeZoneData/data/Europe/Lisbon
diff --git a/src/System.Runtime.TimeZoneData/data/Pacific/Apia b/src/System.Runtime.TimeZoneData/data/Pacific/Apia
diff --git a/src/System.Runtime.TimeZoneData/data/Pacific/Enderbury b/src/System.Runtime.TimeZoneData/data/Pacific/Enderbury
diff --git a/src/System.Runtime.TimeZoneData/data/Pacific/Kanton b/src/System.Runtime.TimeZoneData/data/Pacific/Kanton
diff --git a/src/System.Runtime.TimeZoneData/data/Pacific/Niue b/src/System.Runtime.TimeZoneData/data/Pacific/Niue
diff --git a/src/System.Runtime.TimeZoneData/data/Pacific/Rarotonga b/src/System.Runtime.TimeZoneData/data/Pacific/Rarotonga
diff --git a/src/System.Runtime.TimeZoneData/data/Pacific/Tongatapu b/src/System.Runtime.TimeZoneData/data/Pacific/Tongatapu
diff --git a/src/System.Runtime.TimeZoneData/data/zone.tab b/src/System.Runtime.TimeZoneData/data/zone.tab
@@ -40,11 +40,9 @@ AL	+4120+01950	Europe/Tirane
 AM	+4011+04430	Asia/Yerevan
 AQ	-6617+11031	Antarctica/Casey	Casey
 AQ	-6835+07758	Antarctica/Davis	Davis
-AQ	-6640+14001	Antarctica/DumontDUrville	Dumont-d'Urville
 AQ	-6736+06253	Antarctica/Mawson	Mawson
 AQ	-6448-06406	Antarctica/Palmer	Palmer
 AQ	-6734-06808	Antarctica/Rothera	Rothera
-AQ	-690022+0393524	Antarctica/Syowa	Syowa
 AQ	-720041+0023206	Antarctica/Troll	Troll
 AQ	-7824+10654	Antarctica/Vostok	Vostok
 AR	-3436-05827	America/Argentina/Buenos_Aires	Buenos Aires (BA, CF)
@@ -97,7 +95,6 @@ BR	+0249-06040	America/Boa_Vista	Roraima
 BR	-0308-06001	America/Manaus	Amazonas (east)
 BR	-0640-06952	America/Eirunepe	Amazonas (west)
 BR	-0958-06748	America/Rio_Branco	Acre
-BS	+2505-07721	America/Nassau
 BT	+2728+08939	Asia/Thimphu
 BY	+5354+02734	Europe/Minsk
 BZ	+1730-08812	America/Belize
@@ -106,13 +103,11 @@ CA	+4439-06336	America/Halifax	Atlantic - NS (most areas); PE
 CA	+4612-05957	America/Glace_Bay	Atlantic - NS (Cape Breton)
 CA	+4606-06447	America/Moncton	Atlantic - New Brunswick
 CA	+5320-06025	America/Goose_Bay	Atlantic - Labrador (most areas)
-CA	+5125-05707	America/Blanc-Sablon	AST - QC (Lower North Shore)
-CA	+4339-07923	America/Toronto	Eastern - ON, QC (most areas)
+CA,BS	+4339-07923	America/Toronto	Eastern - ON, QC (most areas), Bahamas
 CA	+4901-08816	America/Nipigon	Eastern - ON, QC (no DST 1967-73)
 CA	+4823-08915	America/Thunder_Bay	Eastern - ON (Thunder Bay)
 CA	+6344-06828	America/Iqaluit	Eastern - NU (most east areas)
 CA	+6608-06544	America/Pangnirtung	Eastern - NU (Pangnirtung)
-CA	+484531-0913718	America/Atikokan	EST - ON (Atikokan); NU (Coral H)
 CA	+4953-09709	America/Winnipeg	Central - ON (west); Manitoba
 CA	+4843-09434	America/Rainy_River	Central - ON (Rainy R, Ft Frances)
 CA	+744144-0944945	America/Resolute	Central - NU (Resolute)
@@ -123,15 +118,14 @@ CA	+5333-11328	America/Edmonton	Mountain - AB; BC (E); SK (W)
 CA	+690650-1050310	America/Cambridge_Bay	Mountain - NU (west)
 CA	+6227-11421	America/Yellowknife	Mountain - NT (central)
 CA	+682059-1334300	America/Inuvik	Mountain - NT (west)
-CA	+4906-11631	America/Creston	MST - BC (Creston)
 CA	+5946-12014	America/Dawson_Creek	MST - BC (Dawson Cr, Ft St John)
 CA	+5848-12242	America/Fort_Nelson	MST - BC (Ft Nelson)
 CA	+6043-13503	America/Whitehorse	MST - Yukon (east)
 CA	+6404-13925	America/Dawson	MST - Yukon (west)
 CA	+4916-12307	America/Vancouver	Pacific - BC (most areas)
 CC	-1210+09655	Indian/Cocos
 CH,DE,LI	+4723+00832	Europe/Zurich	Swiss time
-CI,BF,GM,GN,ML,MR,SH,SL,SN,TG	+0519-00402	Africa/Abidjan
+CI,BF,GH,GM,GN,ML,MR,SH,SL,SN,TG	+0519-00402	Africa/Abidjan
 CK	-2114-15946	Pacific/Rarotonga
 CL	-3327-07040	America/Santiago	Chile (most areas)
 CL	-5309-07055	America/Punta_Arenas	Region of Magallanes
@@ -142,7 +136,6 @@ CO	+0436-07405	America/Bogota
 CR	+0956-08405	America/Costa_Rica
 CU	+2308-08222	America/Havana
 CV	+1455-02331	Atlantic/Cape_Verde
-CW,AW,BQ,SX	+1211-06900	America/Curacao
 CX	-1025+10543	Indian/Christmas
 CY	+3510+03322	Asia/Nicosia	Cyprus (most areas)
 CY	+3507+03357	Asia/Famagusta	Northern Cyprus
@@ -170,7 +163,6 @@ FR	+4852+00220	Europe/Paris
 GB,GG,IM,JE	+513030-0000731	Europe/London
 GE	+4143+04449	Asia/Tbilisi
 GF	+0456-05220	America/Cayenne
-GH	+0533-00013	Africa/Accra
 GI	+3608-00521	Europe/Gibraltar
 GL	+6411-05144	America/Nuuk	Greenland (most areas)
 GL	+7646-01840	America/Danmarkshavn	National Park (east coast)
@@ -204,7 +196,7 @@ JP	+353916+1394441	Asia/Tokyo
 KE,DJ,ER,ET,KM,MG,SO,TZ,UG,YT	-0117+03649	Africa/Nairobi
 KG	+4254+07436	Asia/Bishkek
 KI	+0125+17300	Pacific/Tarawa	Gilbert Islands
-KI	-0308-17105	Pacific/Enderbury	Phoenix Islands
+KI	-0247-17143	Pacific/Kanton	Phoenix Islands
 KI	+0152-15720	Pacific/Kiritimati	Line Islands
 KP	+3901+12545	Asia/Pyongyang
 KR	+3733+12658	Asia/Seoul
@@ -262,19 +254,19 @@ NR	-0031+16655	Pacific/Nauru
 NU	-1901-16955	Pacific/Niue
 NZ,AQ	-3652+17446	Pacific/Auckland	New Zealand time
 NZ	-4357-17633	Pacific/Chatham	Chatham Islands
-PA,KY	+0858-07932	America/Panama
+PA,CA,KY	+0858-07932	America/Panama	EST - Panama, Cayman, ON (Atikokan), NU (Coral H)
 PE	-1203-07703	America/Lima
 PF	-1732-14934	Pacific/Tahiti	Society Islands
 PF	-0900-13930	Pacific/Marquesas	Marquesas Islands
 PF	-2308-13457	Pacific/Gambier	Gambier Islands
-PG	-0930+14710	Pacific/Port_Moresby	Papua New Guinea (most areas)
+PG,AQ	-0930+14710	Pacific/Port_Moresby	Papua New Guinea (most areas), Dumont d'Urville
 PG	-0613+15534	Pacific/Bougainville	Bougainville
 PH	+1435+12100	Asia/Manila
 PK	+2452+06703	Asia/Karachi
 PL	+5215+02100	Europe/Warsaw
 PM	+4703-05620	America/Miquelon
 PN	-2504-13005	Pacific/Pitcairn
-PR	+182806-0660622	America/Puerto_Rico
+PR,AG,CA,AI,AW,BL,BQ,CW,DM,GD,GP,KN,LC,MF,MS,SX,TT,VC,VG,VI	+182806-0660622	America/Puerto_Rico	AST
 PS	+3130+03428	Asia/Gaza	Gaza Strip
 PS	+313200+0350542	Asia/Hebron	West Bank
 PT	+3843-00908	Europe/Lisbon	Portugal (mainland)
@@ -314,12 +306,12 @@ RU	+4658+14242	Asia/Sakhalin	MSK+08 - Sakhalin Island
 RU	+6728+15343	Asia/Srednekolymsk	MSK+08 - Sakha (E); North Kuril Is
 RU	+5301+15839	Asia/Kamchatka	MSK+09 - Kamchatka
 RU	+6445+17729	Asia/Anadyr	MSK+09 - Bering Sea
-SA,KW,YE	+2438+04643	Asia/Riyadh
+SA,AQ,KW,YE	+2438+04643	Asia/Riyadh	Arabia, Syowa
 SB	-0932+16012	Pacific/Guadalcanal
 SC	-0440+05528	Indian/Mahe
 SD	+1536+03232	Africa/Khartoum
 SE	+5920+01803	Europe/Stockholm
-SG	+0117+10351	Asia/Singapore
+SG,MY	+0117+10351	Asia/Singapore	Singapore, peninsular Malaysia
 SR	+0550-05510	America/Paramaribo
 SS	+0451+03137	Africa/Juba
 ST	+0020+00644	Africa/Sao_Tome
@@ -334,9 +326,8 @@ TK	-0922-17114	Pacific/Fakaofo
 TL	-0833+12535	Asia/Dili
 TM	+3757+05823	Asia/Ashgabat
 TN	+3648+01011	Africa/Tunis
-TO	-2110-17510	Pacific/Tongatapu
+TO	-210800-1751200	Pacific/Tongatapu
 TR	+4101+02858	Europe/Istanbul
-TT,AG,AI,BL,DM,GD,GP,KN,LC,MF,MS,VC,VG,VI	+1039-06131	America/Port_of_Spain
 TV	-0831+17913	Pacific/Funafuti
 TW	+2503+12130	Asia/Taipei
 UA	+5026+03031	Europe/Kiev	Ukraine (most areas)
@@ -362,7 +353,7 @@ US	+465042-1012439	America/North_Dakota/New_Salem	Central - ND (Morton rural)
 US	+471551-1014640	America/North_Dakota/Beulah	Central - ND (Mercer)
 US	+394421-1045903	America/Denver	Mountain (most areas)
 US	+433649-1161209	America/Boise	Mountain - ID (south); OR (east)
-US	+332654-1120424	America/Phoenix	MST - Arizona (except Navajo)
+US,CA	+332654-1120424	America/Phoenix	MST - Arizona (except Navajo), Creston BC
 US	+340308-1181434	America/Los_Angeles	Pacific
 US	+611305-1495401	America/Anchorage	Alaska (most areas)
 US	+581807-1342511	America/Juneau	Alaska - Juneau area