diff --git a/backends-velox/src/test/scala/org/apache/gluten/functions/DateFunctionsValidateSuite.scala b/backends-velox/src/test/scala/org/apache/gluten/functions/DateFunctionsValidateSuite.scala
index 98a8b4a4b4..9eaea0c498 100644
--- a/backends-velox/src/test/scala/org/apache/gluten/functions/DateFunctionsValidateSuite.scala
+++ b/backends-velox/src/test/scala/org/apache/gluten/functions/DateFunctionsValidateSuite.scala
@@ -615,6 +615,14 @@ class DateFunctionsValidateSuite extends FunctionsValidateSuite {
         runQueryAndCompare("select timestampadd(hour, 1, ts) from view") {
           checkGlutenPlan[ProjectExecTransformer]
         }
+        // convert_timezone(timestamp_ntz) runs natively; output stays timestamp_ntz.
+        runQueryAndCompare("select convert_timezone('America/Los_Angeles', ts) from view") {
+          checkGlutenPlan[ProjectExecTransformer]
+        }
+        runQueryAndCompare(
+          "select convert_timezone('America/Los_Angeles', 'Asia/Shanghai', ts) from view") {
+          checkGlutenPlan[ProjectExecTransformer]
+        }
 
         // cast(timestamp_ntz as timestamp)
         runQueryAndCompare("select cast(ts as timestamp) from view") {
diff --git a/ep/build-velox/src/get-velox.sh b/ep/build-velox/src/get-velox.sh
index eaace0096f..03dfdb2a86 100755
--- a/ep/build-velox/src/get-velox.sh
+++ b/ep/build-velox/src/get-velox.sh
@@ -18,8 +18,8 @@ set -exu
 
 CURRENT_DIR=$(cd "$(dirname "$BASH_SOURCE")"; pwd)
 VELOX_REPO=https://github.com/IBM/velox.git
-VELOX_BRANCH=dft-2026_09_08
-VELOX_ENHANCED_BRANCH=ibm-2026_09_08
+VELOX_BRANCH=dft-2026_09_10
+VELOX_ENHANCED_BRANCH=ibm-2026_09_10
 VELOX_HOME=""
 RUN_SETUP_SCRIPT=ON
 ENABLE_ENHANCED_FEATURES=OFF
diff --git a/gluten-substrait/src/main/scala/org/apache/gluten/expression/ExpressionMappings.scala b/gluten-substrait/src/main/scala/org/apache/gluten/expression/ExpressionMappings.scala
index d58f1b5650..0377bbda50 100644
--- a/gluten-substrait/src/main/scala/org/apache/gluten/expression/ExpressionMappings.scala
+++ b/gluten-substrait/src/main/scala/org/apache/gluten/expression/ExpressionMappings.scala
@@ -308,6 +308,7 @@ object ExpressionMappings {
     Sig[KnownNullable](KNOWN_NULLABLE),
     Sig[TimestampAdd](TIMESTAMP_ADD),
     Sig[TimestampDiff](TIMESTAMP_DIFF),
+    Sig[ConvertTimezone](CONVERT_TIMEZONE),
     Sig[RoundFloor](FLOOR),
     Sig[RoundCeil](CEIL)
   ) ++ SparkShimLoader.getSparkShims.scalarExpressionMappings
diff --git a/gluten-substrait/src/main/scala/org/apache/gluten/extension/columnar/validator/Validators.scala b/gluten-substrait/src/main/scala/org/apache/gluten/extension/columnar/validator/Validators.scala
index b8e894a415..6c648efaba 100644
--- a/gluten-substrait/src/main/scala/org/apache/gluten/extension/columnar/validator/Validators.scala
+++ b/gluten-substrait/src/main/scala/org/apache/gluten/extension/columnar/validator/Validators.scala
@@ -25,7 +25,7 @@ import org.apache.gluten.extension.columnar.offload.OffloadSingleNode
 import org.apache.gluten.sql.shims.SparkShimLoader
 
 import org.apache.spark.internal.Logging
-import org.apache.spark.sql.catalyst.expressions.{Cast, Hour, Minute, Second, TimestampAdd}
+import org.apache.spark.sql.catalyst.expressions.{Cast, ConvertTimezone, Hour, Minute, Second, TimestampAdd}
 import org.apache.spark.sql.execution._
 import org.apache.spark.sql.execution.aggregate.{HashAggregateExec, ObjectHashAggregateExec, SortAggregateExec}
 import org.apache.spark.sql.execution.datasources.WriteFilesExec
@@ -283,6 +283,7 @@ object Validators {
                   case Minute(child, _) => containsNTZ(child.dataType)
                   case Second(child, _) => containsNTZ(child.dataType)
                   case TimestampAdd(_, _, child, _) => containsNTZ(child.dataType)
+                  case ConvertTimezone(_, _, child) => containsNTZ(child.dataType)
                   case c: Cast if isNTZ(c.dataType) || isNTZ(c.child.dataType) => true
                   case _ => false
                 }
diff --git a/shims/common/src/main/scala/org/apache/gluten/expression/ExpressionNames.scala b/shims/common/src/main/scala/org/apache/gluten/expression/ExpressionNames.scala
index 733adff050..af7a29eb7f 100644
--- a/shims/common/src/main/scala/org/apache/gluten/expression/ExpressionNames.scala
+++ b/shims/common/src/main/scala/org/apache/gluten/expression/ExpressionNames.scala
@@ -240,6 +240,7 @@ object ExpressionNames {
   final val MAKE_YM_INTERVAL = "make_ym_interval"
   final val TO_UTC_TIMESTAMP = "to_utc_timestamp"
   final val FROM_UTC_TIMESTAMP = "from_utc_timestamp"
+  final val CONVERT_TIMEZONE = "convert_timezone"
   final val UNIX_SECONDS = "unix_seconds"
   final val UNIX_MILLIS = "unix_millis"
   final val UNIX_MICROS = "unix_micros"