diff --git a/docs/settings.rst b/docs/settings.rst
index 4a48875a..df4cb5d0 100644
--- a/docs/settings.rst
+++ b/docs/settings.rst
@@ -321,11 +321,9 @@ Time Tracking Options
 
   **Default:** ``HELPDESK_FOLLOWUP_TIME_SPENT_EXCLUDE_HOLIDAYS = ()``
   
-  This example removes the first and last days of the year together with Christmas::
+  This example removes Christmas and New Year's Eve in 2024::
 
-        HELPDESK_FOLLOWUP_TIME_SPENT_EXCLUDE_HOLIDAYS = ("01-01",
-                                                         "12-25",
-                                                         "12-31",)
+        HELPDESK_FOLLOWUP_TIME_SPENT_EXCLUDE_HOLIDAYS = ("2024-12-25", "2024-12-31",)
 
 - **HELPDESK_FOLLOWUP_TIME_SPENT_EXCLUDE_STATUSES** List of ticket statuses to exclude from automatic follow-up 'time_spent' calculation.
 
diff --git a/helpdesk/models.py b/helpdesk/models.py
index 21c4a555..167745fc 100644
--- a/helpdesk/models.py
+++ b/helpdesk/models.py
@@ -1046,7 +1046,7 @@ class FollowUp(models.Model):
                 start_day_time = middle_day_time.replace(hour=0, minute=0, second=0)
                 end_day_time = middle_day_time.replace(hour=23, minute=59, second=59)
             
-            if (start_day_time.strftime("%m-%d") not in holidays and
+            if (start_day_time.strftime("%Y-%m-%d") not in holidays and
                 prev_status not in exclude_statuses and
                 self.ticket.queue.slug not in exclude_queues):
                 time_spent_seconds += daily_time_spent_calculation(start_day_time, end_day_time, open_hours)