update the data files

source/data/misc/timezoneTypes.txt

 // © 2016 and later: Unicode, Inc. and others.
 // License & terms of use: http://www.unicode.org/copyright.html#License
 timezoneTypes:table(nofallback){
     bcpTypeAlias{
         tz{
             aqams{"nzakl"}
             cnckg{"cnsha"}
             cnhrb{"cnsha"}
             cnkhg{"cnurc"}
             usnavajo{"usden"}
@@ skipping 62 matching lines @@
             "Canada:Newfoundland"{"America/St_Johns"}
             "Canada:Pacific"{"America/Vancouver"}
             "Canada:Saskatchewan"{"America/Regina"}
             "Canada:Yukon"{"America/Whitehorse"}
             "Chile:Continental"{"America/Santiago"}
             "Chile:EasterIsland"{"Pacific/Easter"}
             "Etc:GMT+0"{"Etc/GMT"}
             "Etc:GMT-0"{"Etc/GMT"}
             "Etc:GMT0"{"Etc/GMT"}
             "Etc:Greenwich"{"Etc/GMT"}
-            "Etc:UCT"{"Etc/GMT"}
-            "Etc:UTC"{"Etc/GMT"}
-            "Etc:Universal"{"Etc/GMT"}
-            "Etc:Zulu"{"Etc/GMT"}
+            "Etc:UCT"{"Etc/UTC"}
+            "Etc:Universal"{"Etc/UTC"}
+            "Etc:Zulu"{"Etc/UTC"}
             "Europe:Belfast"{"Europe/London"}
             "Europe:Nicosia"{"Asia/Nicosia"}
             "Europe:Tiraspol"{"Europe/Chisinau"}
             "Mexico:BajaNorte"{"America/Tijuana"}
             "Mexico:BajaSur"{"America/Mazatlan"}
             "Mexico:General"{"America/Mexico_City"}
             "Pacific:Chuuk"{"Pacific/Truk"}
             "Pacific:Pohnpei"{"Pacific/Ponape"}
             "Pacific:Samoa"{"Pacific/Pago_Pago"}
             "Pacific:Yap"{"Pacific/Truk"}
@@ skipping 34 matching lines @@
             NZ{"Pacific/Auckland"}
             NZ-CHAT{"Pacific/Chatham"}
             Navajo{"America/Denver"}
             PRC{"Asia/Shanghai"}
             Poland{"Europe/Warsaw"}
             Portugal{"Europe/Lisbon"}
             ROC{"Asia/Taipei"}
             ROK{"Asia/Seoul"}
             Singapore{"Asia/Singapore"}
             Turkey{"Europe/Istanbul"}
-            UCT{"Etc/GMT"}
-            UTC{"Etc/GMT"}
-            Universal{"Etc/GMT"}
+            UCT{"Etc/UTC"}
+            UTC{"Etc/UTC"}
+            Universal{"Etc/UTC"}
             W-SU{"Europe/Moscow"}
-            Zulu{"Etc/GMT"}
+            Zulu{"Etc/UTC"}
         }
     }
     typeMap{
         timezone{
             "Africa:Abidjan"{"ciabj"}
             "Africa:Accra"{"ghacc"}
             "Africa:Addis_Ababa"{"etadd"}
             "Africa:Algiers"{"dzalg"}
             "Africa:Asmera"{"erasm"}
             "Africa:Bamako"{"mlbko"}
@@ skipping 153 matching lines @@
             "America:North_Dakota:New_Salem"{"usndnsl"}
             "America:Ojinaga"{"mxoji"}
             "America:Panama"{"papty"}
             "America:Pangnirtung"{"capnt"}
             "America:Paramaribo"{"srpbm"}
             "America:Phoenix"{"usphx"}
             "America:Port-au-Prince"{"htpap"}
             "America:Port_of_Spain"{"ttpos"}
             "America:Porto_Velho"{"brpvh"}
             "America:Puerto_Rico"{"prsju"}
+            "America:Punta_Arenas"{"clpuq"}
             "America:Rainy_River"{"caffs"}
             "America:Rankin_Inlet"{"cayek"}
             "America:Recife"{"brrec"}
             "America:Regina"{"careg"}
             "America:Resolute"{"careb"}
             "America:Rio_Branco"{"brrbr"}
             "America:Santa_Isabel"{"mxstis"}
             "America:Santarem"{"brstm"}
             "America:Santiago"{"clscl"}
             "America:Santo_Domingo"{"dosdq"}
@@ skipping 127 matching lines @@
             "Australia:Broken_Hill"{"aubhq"}
             "Australia:Currie"{"aukns"}
             "Australia:Darwin"{"audrw"}
             "Australia:Eucla"{"aueuc"}
             "Australia:Hobart"{"auhba"}
             "Australia:Lindeman"{"auldc"}
             "Australia:Lord_Howe"{"auldh"}
             "Australia:Melbourne"{"aumel"}
             "Australia:Perth"{"auper"}
             "Australia:Sydney"{"ausyd"}
-            "Etc:GMT"{"utc"}
+            "Etc:GMT"{"gmt"}
             "Etc:GMT+1"{"utcw01"}
             "Etc:GMT+10"{"utcw10"}
             "Etc:GMT+11"{"utcw11"}
             "Etc:GMT+12"{"utcw12"}
             "Etc:GMT+2"{"utcw02"}
             "Etc:GMT+3"{"utcw03"}
             "Etc:GMT+4"{"utcw04"}
             "Etc:GMT+5"{"utcw05"}
             "Etc:GMT+6"{"utcw06"}
             "Etc:GMT+7"{"utcw07"}
             "Etc:GMT+8"{"utcw08"}
             "Etc:GMT+9"{"utcw09"}
             "Etc:GMT-1"{"utce01"}
             "Etc:GMT-10"{"utce10"}
             "Etc:GMT-11"{"utce11"}
             "Etc:GMT-12"{"utce12"}
             "Etc:GMT-13"{"utce13"}
             "Etc:GMT-14"{"utce14"}
             "Etc:GMT-2"{"utce02"}
             "Etc:GMT-3"{"utce03"}
             "Etc:GMT-4"{"utce04"}
             "Etc:GMT-5"{"utce05"}
             "Etc:GMT-6"{"utce06"}
             "Etc:GMT-7"{"utce07"}
             "Etc:GMT-8"{"utce08"}
             "Etc:GMT-9"{"utce09"}
+            "Etc:UTC"{"utc"}
             "Etc:Unknown"{"unk"}
             "Europe:Amsterdam"{"nlams"}
             "Europe:Andorra"{"adalv"}
             "Europe:Astrakhan"{"ruasf"}
             "Europe:Athens"{"grath"}
             "Europe:Belgrade"{"rsbeg"}
             "Europe:Berlin"{"deber"}
             "Europe:Bratislava"{"skbts"}
             "Europe:Brussels"{"bebru"}
             "Europe:Bucharest"{"robuh"}
@@ skipping 98 matching lines @@
             "Pacific:Truk"{"fmtkk"}
             "Pacific:Wake"{"umawk"}
             "Pacific:Wallis"{"wfmau"}
             CST6CDT{"cst6cdt"}
             EST5EDT{"est5edt"}
             MST7MDT{"mst7mdt"}
             PST8PDT{"pst8pdt"}
         }
     }
 }