diff --git a/frappe/utils/data.py b/frappe/utils/data.py
index 8f9918c4a4..ff141ba048 100644
--- a/frappe/utils/data.py
+++ b/frappe/utils/data.py
@@ -524,7 +524,7 @@ def get_first_day_of_week(dt: DateTimeLikeObject, as_str=False) -> datetime.date
 	return date.strftime(DATE_FORMAT) if as_str else date
 
 
-def get_week_start_offset_days(dt):
+def get_week_start_offset_days(dt: datetime.date | datetime.datetime) -> int:
 	current_day_index = get_normalized_weekday_index(dt)
 	start_of_week_index = get_start_of_week_index()
 
@@ -534,7 +534,7 @@ def get_week_start_offset_days(dt):
 		return 7 - (start_of_week_index - current_day_index)
 
 
-def get_normalized_weekday_index(dt):
+def get_normalized_weekday_index(dt: datetime.date | datetime.datetime) -> int:
 	# starts Sunday with 0
 	return (dt.weekday() + 1) % 7