diff --git a/tasks/models.py b/tasks/models.py
index 28db6a4..66e0b0a 100644
--- a/tasks/models.py
+++ b/tasks/models.py
@@ -153,7 +153,14 @@ class Task(models.Model):
         """Check if task is overdue."""
         if self.due_date and self.status not in ('completed', 'cancelled'):
             from django.utils import timezone
-            return self.due_date < timezone.now().date()
+            import pytz
+
+            # Get current date in user's timezone
+            user_tz = pytz.timezone(self.user.timezone)
+            user_now = timezone.now().astimezone(user_tz)
+            user_today = user_now.date()
+
+            return self.due_date < user_today
         return False
 
     @property
diff --git a/tasks/views.py b/tasks/views.py
index 673eda9..a8ba166 100644
--- a/tasks/views.py
+++ b/tasks/views.py
@@ -218,7 +218,11 @@ class DashboardView(View):
         if not request.user.is_authenticated:
             return redirect('login')
 
-        today = timezone.now().date()
+        # Get today's date in user's timezone
+        import pytz
+        user_tz = pytz.timezone(request.user.timezone)
+        user_now = timezone.now().astimezone(user_tz)
+        today = user_now.date()
 
         # Get filter parameters
         current_filter = request.GET.get('filter', 'all')