diff --git a/docs/en/sql-reference/functions/type-conversion-functions.md b/docs/en/sql-reference/functions/type-conversion-functions.md
index 5a733f6be23..4f1a2d49d23 100644
--- a/docs/en/sql-reference/functions/type-conversion-functions.md
+++ b/docs/en/sql-reference/functions/type-conversion-functions.md
@@ -1436,16 +1436,17 @@ dateTimeToSnowflake(value)
 Query:
 
 ``` sql
-SELECT dateTimeToSnowflake(CAST('2021-08-15 18:57:56', 'DateTime'));
+WITH toDateTime('2021-08-15 18:57:56', 'Asia/Shanghai') AS dt
+SELECT dateTimeToSnowflake(dt);
 ```
 
 Result:
 
 ``` text
 
-┌─dateTimeToSnowflake(CAST('2021-08-15 18:57:56', 'DateTime'))─┐
-│                                          1426860702823350272 │
-└──────────────────────────────────────────────────────────────┘
+┌─dateTimeToSnowflake(dt)─┐
+│     1426860702823350272 │
+└─────────────────────────┘
 ```
 
 
@@ -1473,13 +1474,14 @@ dateTime64ToSnowflake(value)
 Query:
 
 ``` sql
-SELECT dateTime64ToSnowflake(CAST('2021-08-15 18:57:56.073', 'DateTime64'));
+WITH toDateTime64('2021-08-15 18:57:56.492', 3, 'Asia/Shanghai') AS dt64
+SELECT dateTime64ToSnowflake(dt64);
 ```
 
 Result:
 
 ``` text
-┌─dateTime64ToSnowflake(CAST('2021-08-15 18:57:56.073', 'DateTime64'))─┐
-│                                                  1426860703129534464 │
-└──────────────────────────────────────────────────────────────────────┘
+┌─dateTime64ToSnowflake(dt64)─┐
+│         1426860704886947840 │
+└─────────────────────────────┘
 ```
\ No newline at end of file
diff --git a/tests/queries/0_stateless/01942_dateTimeToSnowflake.sql b/tests/queries/0_stateless/01942_dateTimeToSnowflake.sql
index e5895db7004..047d8be7be5 100644
--- a/tests/queries/0_stateless/01942_dateTimeToSnowflake.sql
+++ b/tests/queries/0_stateless/01942_dateTimeToSnowflake.sql
@@ -9,15 +9,15 @@ SELECT dateTimeToSnowflake('abc', 123);  -- {serverError 42}
 SELECT dateTime64ToSnowflake('abc', 123);  -- {serverError 42}
 
 SELECT 'const column';
-WITH toDateTime('2021-08-15 18:57:56') AS dt
+WITH toDateTime('2021-08-15 18:57:56', 'Asia/Shanghai') AS dt
 SELECT dt, dateTimeToSnowflake(dt);
 
-WITH toDateTime64('2021-08-15 18:57:56.492', 3) AS dt64
+WITH toDateTime64('2021-08-15 18:57:56.492', 3, 'Asia/Shanghai') AS dt64
 SELECT dt64, dateTime64ToSnowflake(dt64);
 
 SELECT 'non-const column';
-WITH toDateTime('2021-08-15 18:57:56') AS x
+WITH toDateTime('2021-08-15 18:57:56', 'Asia/Shanghai') AS x
 SELECT materialize(x) as dt, dateTimeToSnowflake(dt);;
 
-WITH toDateTime64('2021-08-15 18:57:56.492', 3) AS x
+WITH toDateTime64('2021-08-15 18:57:56.492', 3, 'Asia/Shanghai') AS x
 SELECT materialize(x) as dt64, dateTime64ToSnowflake(dt64);