diff --git a/odoo-stubs/tools/date_utils.pyi b/odoo-stubs/tools/date_utils.pyi
index 0d8a21d..bbf8cc2 100644
--- a/odoo-stubs/tools/date_utils.pyi
+++ b/odoo-stubs/tools/date_utils.pyi
@@ -6,12 +6,12 @@ from dateutil.relativedelta import relativedelta
 _DateTimeT = TypeVar('_DateTimeT', datetime.date, datetime.datetime)
 
 def get_month(date: _DateTimeT) -> Tuple[_DateTimeT, _DateTimeT]: ...
-def get_quarter_number(date) -> int: ...
+def get_quarter_number(date: _DateTimeT) -> int: ...
 def get_quarter(date: _DateTimeT) -> Tuple[_DateTimeT, _DateTimeT]: ...
 def get_fiscal_year(date: _DateTimeT, day: int = ..., month: int = ...) -> Tuple[_DateTimeT, _DateTimeT]: ...
-def get_timedelta(qty, granularity) -> relativedelta: ...
-def start_of(value: _DateTimeT, granularity) -> _DateTimeT: ...
-def end_of(value: _DateTimeT, granularity) -> _DateTimeT: ...
+def get_timedelta(qty: int, granularity: str) -> relativedelta: ...
+def start_of(value: _DateTimeT, granularity: str) -> _DateTimeT: ...
+def end_of(value: _DateTimeT, granularity: str) -> _DateTimeT: ...
 def add(value: _DateTimeT, *args, **kwargs) -> _DateTimeT: ...
 def subtract(value: _DateTimeT, *args, **kwargs) -> _DateTimeT: ...
 def json_default(obj) -> str: ...