Update tzdata to 2021a

Because people are apparently never satisfied with the time zones on the planet!

intl/tzdata/GIT-INFO

@@ -1,5 +1,7 @@
-commit 4d027901ef4d3288b2ca264ba1f532cf826190ac
+commit 95120170afa0cf622a18da37d3af58abf8ecd40e
 Author: Yoshito Umaoka <yumaoka@users.noreply.github.com>
-Date:   Fri Sep 13 18:23:18 2019 -0400
+Date:   Wed Jan 27 09:48:37 2021 -0500
 
-    ICU-20823 ICU time zone data updates for 2019c
+    ICU-21467 tzdata 2021a updates. Also updated build script. With this … (#17)
+    
+    change, we no longer release ICU time zone data updates for ICU 4.2 or older releases.

intl/tzdata/VERSION

@@ -1 +1 @@
-2019c
+2021a

intl/tzdata/source/metaZones.txt

@@ -1,5 +1,6 @@
 // © 2016 and later: Unicode, Inc. and others.
-// License & terms of use: http://www.unicode.org/copyright.html#License
+// License & terms of use: http://www.unicode.org/copyright.html
+// Generated using tools/cldr/cldr-to-icu/build-icu-data.xml
 metaZones:table(nofallback){
     mapTimezones{
         Acre{
@@ -289,6 +290,7 @@ metaZones:table(nofallback){
             RS{"Europe/Belgrade"}
             SE{"Europe/Stockholm"}
             SI{"Europe/Ljubljana"}
+            SJ{"Arctic/Longyearbyen"}
             SK{"Europe/Bratislava"}
             SM{"Europe/San_Marino"}
             TN{"Africa/Tunis"}
@@ -894,6 +896,11 @@ metaZones:table(nofallback){
             {
                 "Africa_Eastern",
                 "2000-01-15 10:00",
+                "2021-01-31 21:00",
+            }
+            {
+                "Africa_Central",
+                "2021-01-31 21:00",
                 "9999-12-31 23:59",
             }
         }
@@ -1273,6 +1280,11 @@ metaZones:table(nofallback){
             {
                 "Argentina_Western",
                 "2008-01-21 02:00",
+                "2009-10-11 04:00",
+            }
+            {
+                "Argentina",
+                "2009-10-11 04:00",
                 "9999-12-31 23:59",
             }
         }
@@ -1548,6 +1560,11 @@ metaZones:table(nofallback){
             {
                 "America_Pacific",
                 "1973-10-28 09:00",
+                "2020-11-01 07:00",
+            }
+            {
+                "America_Mountain",
+                "2020-11-01 07:00",
                 "9999-12-31 23:59",
             }
         }
@@ -1653,11 +1670,11 @@ metaZones:table(nofallback){
             {
                 "America_Eastern",
                 "1970-01-01 00:00",
-                "2015-11-01 06:00",
+                "2015-03-08 07:00",
             }
             {
                 "Atlantic",
-                "2015-11-01 06:00",
+                "2015-03-08 07:00",
                 "2018-03-11 07:00",
             }
             {
@@ -2521,6 +2538,13 @@ metaZones:table(nofallback){
         "America:Whitehorse"{
             {
                 "America_Pacific",
+                "1970-01-01 00:00",
+                "2020-11-01 07:00",
+            }
+            {
+                "America_Mountain",
+                "2020-11-01 07:00",
+                "9999-12-31 23:59",
             }
         }
         "America:Winnipeg"{
@@ -2579,6 +2603,31 @@ metaZones:table(nofallback){
             {
                 "Australia_Western",
                 "2018-03-10 17:00",
+                "2018-10-06 20:00",
+            }
+            {
+                "Casey",
+                "2018-10-06 20:00",
+                "2019-03-16 16:00",
+            }
+            {
+                "Australia_Western",
+                "2019-03-16 16:00",
+                "2019-10-03 19:00",
+            }
+            {
+                "Casey",
+                "2019-10-03 19:00",
+                "2020-03-07 16:00",
+            }
+            {
+                "Australia_Western",
+                "2020-03-07 16:00",
+                "2020-10-03 16:01",
+            }
+            {
+                "Casey",
+                "2020-10-03 16:01",
                 "9999-12-31 23:59",
             }
         }
@@ -2595,13 +2644,6 @@ metaZones:table(nofallback){
         "Antarctica:Macquarie"{
             {
                 "Australia_Eastern",
-                "1970-01-01 00:00",
-                "2010-04-03 16:00",
-            }
-            {
-                "Macquarie",
-                "2010-04-03 16:00",
-                "9999-12-31 23:59",
             }
         }
         "Antarctica:Mawson"{
@@ -2720,7 +2762,7 @@ metaZones:table(nofallback){
             }
             {
                 "Kazakhstan_Western",
-                "2005-10-30 21:00",
+                "2004-10-30 21:00",
                 "9999-12-31 23:59",
             }
         }
@@ -2830,6 +2872,11 @@ metaZones:table(nofallback){
             {
                 "Choibalsan",
                 "1983-03-31 16:00",
+                "2008-03-30 15:00",
+            }
+            {
+                "Mongolia",
+                "2008-03-30 15:00",
                 "9999-12-31 23:59",
             }
         }
@@ -4013,18 +4060,6 @@ metaZones:table(nofallback){
         "Europe:Volgograd"{
             {
                 "Volgograd",
-                "1970-01-01 00:00",
-                "1992-03-28 22:00",
-            }
-            {
-                "Moscow",
-                "1992-03-28 22:00",
-                "2018-10-27 23:00",
-            }
-            {
-                "Volgograd",
-                "2018-10-27 23:00",
-                "9999-12-31 23:59",
             }
         }
         "Europe:Warsaw"{

intl/tzdata/source/timezoneTypes.txt

@@ -1,5 +1,6 @@
 // © 2016 and later: Unicode, Inc. and others.
-// License & terms of use: http://www.unicode.org/copyright.html#License
+// License & terms of use: http://www.unicode.org/copyright.html
+// Generated using tools/cldr/cldr-to-icu/build-icu-data.xml
 timezoneTypes:table(nofallback){
     bcpTypeAlias{
         tz{
@@ -27,6 +28,7 @@ timezoneTypes:table(nofallback){
             "America:Indiana:Indianapolis"{"America/Indianapolis"}
             "America:Kentucky:Louisville"{"America/Louisville"}
             "America:Knox_IN"{"America/Indiana/Knox"}
+            "America:Nuuk"{"America/Godthab"}
             "America:Porto_Acre"{"America/Rio_Branco"}
             "America:Rosario"{"America/Cordoba"}
             "America:Shiprock"{"America/Denver"}

intl/tzdata/source/windowsZones.txt

@@ -1,5 +1,6 @@
 // © 2016 and later: Unicode, Inc. and others.
-// License & terms of use: http://www.unicode.org/copyright.html#License
+// License & terms of use: http://www.unicode.org/copyright.html
+// Generated using tools/cldr/cldr-to-icu/build-icu-data.xml
 windowsZones:table(nofallback){
     mapTimezones{
         "AUS Central Standard Time"{
@@ -156,7 +157,7 @@ windowsZones:table(nofallback){
         }
         "Central Pacific Standard Time"{
             001{"Pacific/Guadalcanal"}
-            AU{"Antarctica/Macquarie"}
+            AQ{"Antarctica/Casey"}
             FM{"Pacific/Ponape Pacific/Kosrae"}
             NC{"Pacific/Noumea"}
             SB{"Pacific/Guadalcanal"}
@@ -212,7 +213,6 @@ windowsZones:table(nofallback){
             KM{"Indian/Comoro"}
             MG{"Indian/Antananarivo"}
             SO{"Africa/Mogadishu"}
-            SS{"Africa/Juba"}
             TZ{"Africa/Dar_es_Salaam"}
             UG{"Africa/Kampala"}
             YT{"Indian/Mayotte"}
@@ -466,7 +466,7 @@ windowsZones:table(nofallback){
         }
         "Pacific Standard Time"{
             001{"America/Los_Angeles"}
-            CA{"America/Vancouver America/Dawson America/Whitehorse"}
+            CA{"America/Vancouver"}
             US{"America/Los_Angeles"}
             ZZ{"PST8PDT"}
         }
@@ -593,7 +593,6 @@ windowsZones:table(nofallback){
         }
         "Singapore Standard Time"{
             001{"Asia/Singapore"}
-            AQ{"Antarctica/Casey"}
             BN{"Asia/Brunei"}
             ID{"Asia/Makassar"}
             MY{"Asia/Kuala_Lumpur Asia/Kuching"}
@@ -610,6 +609,7 @@ windowsZones:table(nofallback){
             MW{"Africa/Blantyre"}
             MZ{"Africa/Maputo"}
             RW{"Africa/Kigali"}
+            SS{"Africa/Juba"}
             SZ{"Africa/Mbabane"}
             ZA{"Africa/Johannesburg"}
             ZM{"Africa/Lusaka"}
@@ -634,7 +634,7 @@ windowsZones:table(nofallback){
         }
         "Tasmania Standard Time"{
             001{"Australia/Hobart"}
-            AU{"Australia/Hobart Australia/Currie"}
+            AU{"Australia/Hobart Australia/Currie Antarctica/Macquarie"}
         }
         "Tocantins Standard Time"{
             001{"America/Araguaina"}
@@ -674,7 +674,6 @@ windowsZones:table(nofallback){
         }
         "US Mountain Standard Time"{
             001{"America/Phoenix"}
-            CA{"America/Dawson_Creek America/Creston America/Fort_Nelson"}
             MX{"America/Hermosillo"}
             US{"America/Phoenix"}
             ZZ{"Etc/GMT+7"}
@@ -811,5 +810,12 @@ windowsZones:table(nofallback){
             001{"Asia/Yakutsk"}
             RU{"Asia/Yakutsk Asia/Khandyga"}
         }
+        "Yukon Standard Time"{
+            001{"America/Whitehorse"}
+            CA{
+                "America/Whitehorse America/Creston America/Dawson America/Dawson_Cre"
+                "ek America/Fort_Nelson"
+            }
+        }
     }
 }

js/src/builtin/IntlTimeZoneData.h

@@ -1,5 +1,5 @@
 // Generated by make_intl_data.py. DO NOT EDIT.
-// tzdata version = 2019c
+// tzdata version = 2021a
 
 #ifndef builtin_IntlTimeZoneData_h
 #define builtin_IntlTimeZoneData_h
@@ -22,6 +22,7 @@ const char* const ianaZonesTreatedAsLinksByICU[] = {
     "America/Ensenada", // America/Tijuana [backzone]
     "America/Indiana/Indianapolis", // America/Indianapolis [northamerica]
     "America/Kentucky/Louisville", // America/Louisville [northamerica]
+    "America/Nuuk", // America/Godthab [europe]
     "America/Rosario", // America/Cordoba [backzone]
     "Asia/Chongqing", // Asia/Shanghai [backzone]
     "Asia/Harbin", // Asia/Shanghai [backzone]
@@ -56,6 +57,7 @@ const LinkAndTarget ianaLinksCanonicalizedDifferentlyByICU[] = {
     { "America/Catamarca", "America/Argentina/Catamarca" }, // America/Catamarca [backward]
     { "America/Cordoba", "America/Argentina/Cordoba" }, // America/Cordoba [backward]
     { "America/Fort_Wayne", "America/Indiana/Indianapolis" }, // America/Indianapolis [backward]
+    { "America/Godthab", "America/Nuuk" }, // America/Godthab [backward]
     { "America/Indianapolis", "America/Indiana/Indianapolis" }, // America/Indianapolis [backward]
     { "America/Jujuy", "America/Argentina/Jujuy" }, // America/Jujuy [backward]
     { "America/Kralendijk", "America/Curacao" }, // America/Kralendijk [southamerica]

js/src/tests/Intl/DateTimeFormat/timeZone_backward_links.js

@@ -1,7 +1,7 @@
 // |reftest| skip-if(!this.hasOwnProperty("Intl"))
 
 // Generated by make_intl_data.py. DO NOT EDIT.
-// tzdata version = 2019c
+// tzdata version = 2021a
 
 const tzMapper = [
     x => x,
@@ -17,6 +17,7 @@ const links = {
     "America/Catamarca": "America/Argentina/Catamarca",
     "America/Cordoba": "America/Argentina/Cordoba",
     "America/Fort_Wayne": "America/Indiana/Indianapolis",
+    "America/Godthab": "America/Nuuk",
     "America/Indianapolis": "America/Indiana/Indianapolis",
     "America/Jujuy": "America/Argentina/Jujuy",
     "America/Knox_IN": "America/Indiana/Knox",

js/src/tests/Intl/DateTimeFormat/timeZone_backzone.js

@@ -1,7 +1,7 @@
 // |reftest| skip-if(!this.hasOwnProperty("Intl"))
 
 // Generated by make_intl_data.py. DO NOT EDIT.
-// tzdata version = 2019c
+// tzdata version = 2021a
 
 const tzMapper = [
     x => x,
@@ -79,6 +79,7 @@ const links = {
     "Asia/Vientiane": "Asia/Vientiane",
     "Atlantic/Jan_Mayen": "Atlantic/Jan_Mayen",
     "Atlantic/St_Helena": "Atlantic/St_Helena",
+    "Australia/Currie": "Australia/Currie",
     "Europe/Belfast": "Europe/Belfast",
     "Europe/Guernsey": "Europe/Guernsey",
     "Europe/Isle_of_Man": "Europe/Isle_of_Man",

js/src/tests/Intl/DateTimeFormat/timeZone_backzone_links.js

@@ -1,7 +1,7 @@
 // |reftest| skip-if(!this.hasOwnProperty("Intl"))
 
 // Generated by make_intl_data.py. DO NOT EDIT.
-// tzdata version = 2019c
+// tzdata version = 2021a
 
 const tzMapper = [
     x => x,

js/src/tests/Intl/DateTimeFormat/timeZone_notbackward_links.js

@@ -1,7 +1,7 @@
 // |reftest| skip-if(!this.hasOwnProperty("Intl"))
 
 // Generated by make_intl_data.py. DO NOT EDIT.
-// tzdata version = 2019c
+// tzdata version = 2021a
 
 const tzMapper = [
     x => x,