diff --git a/src/Functions/FunctionsConversion.cpp b/src/Functions/FunctionsConversion.cpp
index ead4b6065ac..960cd2af343 100644
--- a/src/Functions/FunctionsConversion.cpp
+++ b/src/Functions/FunctionsConversion.cpp
@@ -2187,7 +2187,7 @@ public:
         if constexpr (std::is_same_v<ToDataType, DataTypeString>)
             return {};
         else if constexpr (std::is_same_v<ToDataType, DataTypeDateTime64>)
-            return {2};
+            return {1, 2};
         return {1};
     }
     bool canBeExecutedOnDefaultArguments() const override { return false; }
diff --git a/tests/queries/0_stateless/03150_dynamic_type_mv_insert.sql b/tests/queries/0_stateless/03150_dynamic_type_mv_insert.sql
index 0e5119a38e0..a92703c3847 100644
--- a/tests/queries/0_stateless/03150_dynamic_type_mv_insert.sql
+++ b/tests/queries/0_stateless/03150_dynamic_type_mv_insert.sql
@@ -1,4 +1,5 @@
 SET allow_experimental_dynamic_type=1;
+SET session_timezone = 'UTC';
 SET allow_suspicious_types_in_order_by=1;
 
 DROP TABLE IF EXISTS null_table;
@@ -21,11 +22,11 @@ CREATE TABLE to_table
 )
 ENGINE = MergeTree ORDER BY n1;
 
-INSERT INTO null_table ( n1, n2 ) VALUES (1, '2024-01-01'), (2, toDateTime64('2024-01-01', 3, 'Asia/Istanbul')), (3, toFloat32(1)), (4, toFloat64(2));
+INSERT INTO null_table ( n1, n2 ) VALUES (1, '2024-01-01'), (2, toDateTime64('2024-01-01', 3)), (3, toFloat32(1)), (4, toFloat64(2));
 SELECT *, dynamicType(n2) FROM to_table ORDER BY ALL;
 
 select '';
-INSERT INTO null_table ( n1, n2 ) VALUES (1, '2024-01-01'), (2, toDateTime64('2024-01-01', 3, 'Asia/Istanbul')), (3, toFloat32(1)), (4, toFloat64(2));
+INSERT INTO null_table ( n1, n2 ) VALUES (1, '2024-01-01'), (2, toDateTime64('2024-01-01', 3)), (3, toFloat32(1)), (4, toFloat64(2));
 SELECT *, dynamicType(n2) FROM to_table ORDER BY ALL;
 
 select '';
@@ -34,7 +35,7 @@ SELECT *, dynamicType(n2) FROM to_table ORDER BY ALL;
 
 select '';
 ALTER TABLE to_table MODIFY COLUMN n2 Dynamic(max_types=10);
-INSERT INTO null_table ( n1, n2 ) VALUES (1, '2024-01-01'), (2, toDateTime64('2024-01-01', 3, 'Asia/Istanbul')), (3, toFloat32(1)), (4, toFloat64(2));
+INSERT INTO null_table ( n1, n2 ) VALUES (1, '2024-01-01'), (2, toDateTime64('2024-01-01', 3)), (3, toFloat32(1)), (4, toFloat64(2));
 SELECT *, dynamicType(n2) FROM to_table ORDER BY ALL;
 
 DROP TABLE null_table;
diff --git a/tests/queries/0_stateless/03151_dynamic_type_scale_max_types.sql b/tests/queries/0_stateless/03151_dynamic_type_scale_max_types.sql
index f00c1492e40..5d3b455e257 100644
--- a/tests/queries/0_stateless/03151_dynamic_type_scale_max_types.sql
+++ b/tests/queries/0_stateless/03151_dynamic_type_scale_max_types.sql
@@ -1,6 +1,7 @@
 SET allow_experimental_dynamic_type = 1;
 SET allow_suspicious_types_in_order_by = 1;
 SET optimize_read_in_order = 1;
+SET session_timezone = 'UTC';
 
 drop table if exists to_table;
 
@@ -11,17 +12,17 @@ CREATE TABLE to_table
 )
 ENGINE = MergeTree ORDER BY n1;
 
-INSERT INTO to_table ( n1, n2 ) VALUES (1, '2024-01-01'), (2, toDateTime64('2024-01-01', 3, 'Asia/Istanbul')), (3, toFloat32(1)), (4, toFloat64(2));
+INSERT INTO to_table ( n1, n2 ) VALUES (1, '2024-01-01'), (2, toDateTime64('2024-01-01', 3)), (3, toFloat32(1)), (4, toFloat64(2));
 SELECT *, dynamicType(n2), isDynamicElementInSharedData(n2) FROM to_table ORDER BY ALL;
 
 select '';
 ALTER TABLE to_table MODIFY COLUMN n2 Dynamic(max_types=5);
-INSERT INTO to_table ( n1, n2 ) VALUES (1, '2024-01-01'), (2, toDateTime64('2024-01-01', 3, 'Asia/Istanbul')), (3, toFloat32(1)), (4, toFloat64(2));
+INSERT INTO to_table ( n1, n2 ) VALUES (1, '2024-01-01'), (2, toDateTime64('2024-01-01', 3)), (3, toFloat32(1)), (4, toFloat64(2));
 SELECT *, dynamicType(n2), isDynamicElementInSharedData(n2) FROM to_table ORDER BY ALL;
 
 select '';
 ALTER TABLE to_table MODIFY COLUMN n2 Dynamic(max_types=0);
-INSERT INTO to_table ( n1, n2 ) VALUES (1, '2024-01-01'), (2, toDateTime64('2024-01-01', 3, 'Asia/Istanbul')), (3, toFloat32(1)), (4, toFloat64(2));
+INSERT INTO to_table ( n1, n2 ) VALUES (1, '2024-01-01'), (2, toDateTime64('2024-01-01', 3)), (3, toFloat32(1)), (4, toFloat64(2));
 SELECT *, dynamicType(n2), isDynamicElementInSharedData(n2) FROM to_table ORDER BY ALL;
 
 ALTER TABLE to_table MODIFY COLUMN n2 Dynamic(max_types=500); -- { serverError UNEXPECTED_AST_STRUCTURE }