diff --git a/icu4c/source/data/misc/zoneinfo64.txt b/icu4c/source/data/misc/zoneinfo64.txt
index 71fa660..93a38f6 100644
--- a/icu4c/source/data/misc/zoneinfo64.txt
+++ b/icu4c/source/data/misc/zoneinfo64.txt
@@ -3,9 +3,9 @@
 // License & terms of use: http://www.unicode.org/copyright.html
 //---------------------------------------------------------
 // Build tool:  tz2icu
-// Build date:  Thu Oct  8 19:58:22 2020
+// Build date:  Mon Oct 19 12:18:21 2020
 // tz database: ftp://ftp.iana.org/tz/
-// tz version:  2020b
+// tz version:  2020c
 // ICU version: 68.1
 //---------------------------------------------------------
 // >> !!! >>   THIS IS A MACHINE-GENERATED FILE   << !!! <<
@@ -13,7 +13,7 @@
 //---------------------------------------------------------
 
 zoneinfo64:table(nofallback) {
- TZVersion { "2020b" }
+ TZVersion { "2020c" }
  Zones:array { 
   /* ACT */ :int { 356 } //Z#0
   /* AET */ :int { 368 } //Z#1
@@ -2601,12 +2601,12 @@
     typeMap:bin { "0102" }
   } //Z#560
   /* Pacific/Fiji */ :table {
-    trans:intvector { -1709985344, 909842400, 920124000, 941896800, 951573600, 1259416800, 1269698400, 1287842400, 1299333600, 1319292000, 1327154400, 1350741600, 1358604000, 1382796000, 1390050000, 1414850400, 1421503200, 1446300000, 1452952800, 1478354400, 1484402400, 1509804000, 1515852000, 1541253600, 1547301600, 1573308000 }
+    trans:intvector { -1709985344, 909842400, 920124000, 941896800, 951573600, 1259416800, 1269698400, 1287842400, 1299333600, 1319292000, 1327154400, 1350741600, 1358604000, 1382796000, 1390050000, 1414850400, 1421503200, 1446300000, 1452952800, 1478354400, 1484402400, 1509804000, 1515852000, 1541253600, 1547301600, 1573308000, 1578751200, 1608386400, 1610805600, 1636812000 }
     typeOffsets:intvector { 42944, 0, 43200, 0, 43200, 3600 }
-    typeMap:bin { "0102010201020102010201020102010201020102010201020102" }
+    typeMap:bin { "010201020102010201020102010201020102010201020102010201020102" }
     finalRule { "Fiji" }
     finalRaw:int { 43200 }
-    finalYear:int { 2020 }
+    finalYear:int { 2022 }
   } //Z#561
   /* Pacific/Funafuti */ :table {
     transPre32:intvector { -1, 2117471484 }
diff --git a/icu4j/main/shared/data/icutzdata.jar b/icu4j/main/shared/data/icutzdata.jar
index 8c85c1b..4bdb879 100644
--- a/icu4j/main/shared/data/icutzdata.jar
+++ b/icu4j/main/shared/data/icutzdata.jar
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:b950801baaa119a56ea24d7d09bb4cdb1468422f77ab4d4342ec9ddf8027d970
-size 94643
+oid sha256:78f5e869f4f97c4fae0ff9105c4638316b2d6971cd93f72b247a44a476ee11bf
+size 94638