diff --git a/icu4c/source/data/misc/zoneinfo64.txt b/icu4c/source/data/misc/zoneinfo64.txt
index dd7497dd152..12310957a21 100644
--- a/icu4c/source/data/misc/zoneinfo64.txt
+++ b/icu4c/source/data/misc/zoneinfo64.txt
@@ -3,17 +3,17 @@
 // Corporation and others.  All Rights Reserved.
 //---------------------------------------------------------
 // Build tool: tz2icu
-// Build date: Mon Sep 27 10:21:06 2010
+// Build date: Tue Oct 26 12:38:26 2010
 // Olson source: ftp://elsie.nci.nih.gov/pub/
-// Olson version: 2010m
-// ICU version: 4.5.2
+// Olson version: 2010n
+// ICU version: 4.6
 //---------------------------------------------------------
 // >> !!! >>   THIS IS A MACHINE-GENERATED FILE   << !!! <<
 // >> !!! >>>            DO NOT EDIT             <<< !!! <<
 //---------------------------------------------------------
 
 zoneinfo64:table(nofallback) {
- TZVersion { "2010m" }
+ TZVersion { "2010n" }
  Zones:array { 
   /* ACT */ :int { 337 } //Z#0
   /* AET */ :int { 349 } //Z#1
@@ -2761,7 +2761,7 @@ zoneinfo64:table(nofallback) {
   } //Z#530
   /* Pacific/Apia */ :table {
     transPre32:intvector { -1, 1439229312 }
-    trans:intvector { -1861878784, -631110600, 1285498800, 1301824800 }
+    trans:intvector { -1861878784, -631110600, 1285498800, 1301828400 }
     typeOffsets:intvector { 45184, 0, -41400, 0, -41216, 0, -39600, 0, -39600, 3600 }
     typeMap:bin { "0201030403" }
     links:intvector { 511, 531 }