diff --git a/apps/alarmclock.py b/apps/alarmclock.py
index 253a8c6..dfd9a4d 100644
--- a/apps/alarmclock.py
+++ b/apps/alarmclock.py
@@ -38,6 +38,7 @@ class AlarmClock(SmartObject):
         self.inputdate_alarmclock_main      = self.args['inputdate_alarmclock_main']
         self.inputdate_alarmclock_secondary = self.args['inputdate_alarmclock_secondary']
         self.input_text_wakeup_time         = self.args['input_text_wakeup_time']
+        self.output_workday_sensor          = self.args['output_workday_sensor']
         #self.sensor_wakeup_datetime         = self.args['sensor_wakeup_datetime']
         self.sleeping_condition = SmartCondition.Evaluator(self, self.args['sleeping_condition'], condition_name="sleeping_condition", constants=self.constants, templates_library=self.templates_library)
 
@@ -54,12 +55,14 @@ class AlarmClock(SmartObject):
         self.run_hourly(self.on_refresh_cal,datetime.time(0, 0, 0))
 
         self.sensor_wakeup_datetime_entity = self.create_entity("sensor.wakeup_datetime", icon="mdi:alarm")
+        self.workday_entity = self.create_entity(self.output_workday_sensor, icon="mdi:briefcase-check")
         #sensor_wakeup_datetime_entity = self.get_entity(self.sensor_wakeup_datetime)
         #if not sensor_wakeup_datetime_entity.exists():
         #    sensor_wakeup_datetime_entity.add()
 
         self.calendar = list()
         self.refresh_cal()
+        self.update_workday_status()
 
         self.update_wakeup_time()
 
@@ -151,9 +154,17 @@ class AlarmClock(SmartObject):
         self.update_wakeup_time()
 
     def on_refresh_cal(self, kwargs):
-        if self.refresh_cal():
+        calendar_changed = self.refresh_cal()
+        self.update_workday_status()
+        if calendar_changed:
             self.update_wakeup_time()
 
+    def update_workday_status(self):
+        is_workday = self.is_wakeup_time_on_a_working_day(datetime.datetime.now())
+        new_state = "on" if is_workday else "off"
+        if self.workday_entity.get_state() != new_state:
+            self.workday_entity.set_state(state=new_state)
+
     def on_program_next_wakeup(self, kwargs):
         self.handle_program_next_wakueup_cb = None     
 
@@ -329,5 +340,3 @@ class AlarmClock(SmartObject):
 
     def update_wakeup_time(self):             
         self.register_callbacks(self.calculate_wakeup_time())
-
-    
\ No newline at end of file
diff --git a/apps/rooms/bedroom.yaml b/apps/rooms/bedroom.yaml
index 0ac0bfb..26ce44e 100644
--- a/apps/rooms/bedroom.yaml
+++ b/apps/rooms/bedroom.yaml
@@ -175,10 +175,13 @@ alarm_clock:
   module: alarmclock
   class: AlarmClock
 
+  priority: 5
+
   switch_alarmclock_main: input_boolean.main_alarmclock
   switch_alarmclock_secondary: input_boolean.secondary_alarmclock
   inputdate_alarmclock_main: input_datetime.main_alarmclock
   inputdate_alarmclock_secondary: input_datetime.secondary_alarmclock
   input_text_wakeup_time: input_text.wakeup_time
+  output_workday_sensor: binary_sensor.pierre_workday
 
-  sleeping_condition: binary_sensor.is_bedroom_sleeping
\ No newline at end of file
+  sleeping_condition: binary_sensor.is_bedroom_sleeping