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 70d9bffdceaf..0d1bcb540fd5 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
@@ -16,7 +16,7 @@
  */
 package org.apache.gluten.functions
 
-import org.apache.gluten.execution.ProjectExecTransformer
+import org.apache.gluten.execution.{BatchScanExecTransformer, ProjectExecTransformer}
 
 import org.apache.spark.sql.execution.ProjectExec
 import org.apache.spark.sql.types.Decimal
@@ -218,6 +218,59 @@ class DateFunctionsValidateSuite extends FunctionsValidateSuite {
     }
   }
 
+  test("make_timestamp_ntz") {
+    withTempPath {
+      path =>
+        Seq(
+          (2017, 7, 11, 6, 30, Decimal(45678000, 18, 6)),
+          (1, 1, 1, 1, 1, Decimal(1, 18, 6)),
+          (1, 1, 1, 1, 1, null)
+        )
+          .toDF("year", "month", "day", "hour", "min", "sec")
+          .write
+          .parquet(path.getCanonicalPath)
+
+        spark.read
+          .parquet(path.getCanonicalPath)
+          .createOrReplaceTempView("make_timestamp_ntz_tbl")
+
+        runQueryAndCompare(
+          "select make_timestamp_ntz(year, month, day, hour, min, sec) " +
+            "from make_timestamp_ntz_tbl") {
+          checkGlutenPlan[BatchScanExecTransformer]
+        }
+    }
+  }
+
+  test("try_make_timestamp_ntz") {
+    val tryMakeTimestampNtzAvailable =
+      spark.catalog.listFunctions().collect().exists(_.name.equalsIgnoreCase("try_make_timestamp_ntz"))
+
+    if (tryMakeTimestampNtzAvailable) {
+      withTempPath {
+        path =>
+          Seq(
+            (2017, 7, 11, 6, 30, Decimal(45678000, 18, 6)),
+            (1, 1, 1, 1, 1, Decimal(1, 18, 6)),
+            (1, 1, 1, 1, 1, null)
+          )
+            .toDF("year", "month", "day", "hour", "min", "sec")
+            .write
+            .parquet(path.getCanonicalPath)
+
+          spark.read
+            .parquet(path.getCanonicalPath)
+            .createOrReplaceTempView("try_make_timestamp_ntz_tbl")
+
+          runQueryAndCompare(
+            "select try_make_timestamp_ntz(year, month, day, hour, min, sec) from " +
+              "try_make_timestamp_ntz_tbl") {
+            checkGlutenPlan[BatchScanExecTransformer]
+          }
+      }
+    }
+  }
+
   test("make_ym_interval") {
     runQueryAndCompare("select make_ym_interval(1, 1)") {
       checkGlutenPlan[ProjectExecTransformer]
@@ -326,6 +379,21 @@ class DateFunctionsValidateSuite extends FunctionsValidateSuite {
     }
   }
 
+  test("to_timestamp_ntz") {
+    withTempPath {
+      path =>
+        val t1 = "2015-07-22 10:00:00"
+        val t2 = "2014-12-31 23:59:59"
+        val t3 = "2014-12-31 23:59:58"
+        Seq(t1, t2, t3).toDF("t").write.parquet(path.getCanonicalPath)
+
+        spark.read.parquet(path.getCanonicalPath).createOrReplaceTempView("time")
+        runQueryAndCompare("select to_timestamp_ntz(t, 'yyyy-MM-dd HH:mm:ss') from time") {
+          checkGlutenPlan[BatchScanExecTransformer]
+        }
+    }
+  }
+
   test("to_utc_timestamp") {
     withTempPath {
       path =>
diff --git a/backends-velox/src/test/scala/org/apache/gluten/functions/ScalarFunctionsValidateSuite.scala b/backends-velox/src/test/scala/org/apache/gluten/functions/ScalarFunctionsValidateSuite.scala
index 4deff767bfa3..b603ded52b18 100644
--- a/backends-velox/src/test/scala/org/apache/gluten/functions/ScalarFunctionsValidateSuite.scala
+++ b/backends-velox/src/test/scala/org/apache/gluten/functions/ScalarFunctionsValidateSuite.scala
@@ -1580,6 +1580,65 @@ abstract class ScalarFunctionsValidateSuite extends FunctionsValidateSuite {
     }
   }
 
+  testWithMinSparkVersion("make_timestamp_ntz with validation enabled", "3.4") {
+    withSQLConf("spark.gluten.sql.columnar.backend.velox.enableTimestampNtzValidation" -> "true") {
+      val df = spark.sql(
+        "SELECT l_orderkey, make_timestamp_ntz(2024, 5, 22, 10, 30, 0.0) FROM lineitem LIMIT 1")
+      checkFallbackOperators(df, 1)
+      df.collect()
+    }
+  }
+
+  testWithMinSparkVersion("make_timestamp_ntz with validation disabled", "3.4") {
+    withSQLConf("spark.gluten.sql.columnar.backend.velox.enableTimestampNtzValidation" -> "false") {
+      val df = spark.sql(
+        "SELECT l_orderkey, make_timestamp_ntz(2024, 5, 22, 10, 30, 0.0) FROM lineitem LIMIT 1")
+      val optimizedPlan = df.queryExecution.optimizedPlan.toString()
+      checkGlutenPlan[ProjectExecTransformer](df)
+      checkFallbackOperators(df, 0)
+      df.collect()
+    }
+  }
+
+  testWithMinSparkVersion("try_make_timestamp_ntz with validation enabled", "3.4") {
+    withSQLConf("spark.gluten.sql.columnar.backend.velox.enableTimestampNtzValidation" -> "true") {
+      withTempView("try_make_timestamp_ntz_tbl") {
+        Seq(
+          (2017, 7, 11, 6, 30, 0.0),
+          (2024, 5, 22, 10, 30, 0.0),
+          (1, 1, 1, 1, 1, null.asInstanceOf[java.lang.Double])
+        ).toDF("year", "month", "day", "hour", "min", "sec")
+          .createOrReplaceTempView("try_make_timestamp_ntz_tbl")
+
+        val df = spark.sql(
+          "SELECT try_make_timestamp_ntz(year, month, day, hour, min, sec) " +
+            "FROM try_make_timestamp_ntz_tbl")
+        checkFallbackOperators(df, 1)
+        df.collect()
+      }
+    }
+  }
+
+  testWithMinSparkVersion("try_make_timestamp_ntz with validation disabled", "3.4") {
+    withSQLConf("spark.gluten.sql.columnar.backend.velox.enableTimestampNtzValidation" -> "false") {
+      withTempView("try_make_timestamp_ntz_tbl") {
+        Seq(
+          (2017, 7, 11, 6, 30, 0.0),
+          (2024, 5, 22, 10, 30, 0.0),
+          (1, 1, 1, 1, 1, null.asInstanceOf[java.lang.Double])
+        ).toDF("year", "month", "day", "hour", "min", "sec")
+          .createOrReplaceTempView("try_make_timestamp_ntz_tbl")
+
+        val df = spark.sql(
+          "SELECT try_make_timestamp_ntz(year, month, day, hour, min, sec) " +
+            "FROM try_make_timestamp_ntz_tbl")
+        checkGlutenPlan[ProjectExecTransformer](df)
+        checkFallbackOperators(df, 0)
+        df.collect()
+      }
+    }
+  }
+
   testWithMinSparkVersion("localtimestamp with validation enabled", "3.4") {
     // With validation enabled (default), localtimestamp should fallback to Spark
     // because it returns TimestampNTZType