diff --git a/tournaments/models/tournament.py b/tournaments/models/tournament.py
index 384827c..7472d8d 100644
--- a/tournaments/models/tournament.py
+++ b/tournaments/models/tournament.py
@@ -2212,7 +2212,7 @@ class Tournament(BaseModel):
             # Group matches by hour
             matches_by_hour = {}
             for match in matches_by_day[selected_day]:
-                local_time = timezone.localtime(match.planned_start_date)
+                local_time = match.local_planned_start_date()
                 hour_key = local_time.strftime('%H:%M')
 
                 if hour_key not in matches_by_hour: