diff --git a/app_new/planning/schedules.py b/app_new/planning/schedules.py
index b57e532..fd0c0e5 100644
--- a/app_new/planning/schedules.py
+++ b/app_new/planning/schedules.py
@@ -23,10 +23,22 @@ def index():
     from datetime import date, timedelta
     from calendar import monthrange
     from ..core.services.planning_service import PlanningService
-    from ..core.models.planning import PlanningDay, PlanningItem
+    from ..core.models.planning import PlanningDay, PlanningItem, ClosureWorkDay
+    from ..core.models.settings import AppSettings
+    from ..core.services.planning_service import get_french_public_holidays
     
     # Récupérer l'année demandée ou année courante
+    mode = request.args.get('mode')
+    saved_mode = AppSettings.get(f'planning_calendar_mode_{current_user.id}', 'calendar')
+    if mode not in ('calendar', 'school'):
+        mode = saved_mode if saved_mode in ('calendar', 'school') else 'calendar'
+    else:
+        AppSettings.set(f'planning_calendar_mode_{current_user.id}', mode)
     year = request.args.get('year', date.today().year, type=int)
+    if mode == 'school' and 'year' not in request.args:
+        year = date.today().year if date.today().month >= 9 else date.today().year - 1
+    display_start = date(year, 9, 1) if mode == 'school' else date(year, 1, 1)
+    display_end = date(year + 1, 8, 31) if mode == 'school' else date(year, 12, 31)
     
     # Préparer les données du calendrier. Le calendrier principal est la
     # source unique : il rassemble les interventions et les échéances
@@ -37,9 +49,13 @@ def index():
     
     # Récupérer les vacances
     closures = CollegeClosure.query.filter(
-        CollegeClosure.start_date <= date(year, 12, 31),
-        CollegeClosure.end_date >= date(year, 1, 1)
+        CollegeClosure.start_date <= display_end,
+        CollegeClosure.end_date >= display_start
     ).all()
+    permanence_dates = {item.work_date for item in ClosureWorkDay.query.filter(ClosureWorkDay.work_date >= display_start, ClosureWorkDay.work_date <= display_end).all()}
+    holiday_dates = {item[0] for item in get_french_public_holidays(year)}
+    if mode == 'school':
+        holiday_dates |= {item[0] for item in get_french_public_holidays(year + 1)}
     
     # Fonction pour vérifier si une date est en vacances
     def is_vacation(d):
@@ -50,13 +66,13 @@ def index():
     
     # Récupérer les congés personnels
     leaves = TechnicianAvailability.query.filter(
-        TechnicianAvailability.date >= date(year, 1, 1),
-        TechnicianAvailability.date <= date(year, 12, 31)
+        TechnicianAvailability.date >= display_start,
+        TechnicianAvailability.date <= display_end
     ).all()
     leave_dates = {l.date: l for l in leaves}
 
-    year_start = date(year, 1, 1)
-    year_end = date(year, 12, 31)
+    year_start = display_start
+    year_end = display_end
     terminal_intervention_statuses = ('terminee', 'cloturee', 'annulee', 'ignoree')
     interventions = Intervention.query.filter(
         Intervention.scheduled_date >= year_start,
@@ -108,18 +124,20 @@ def index():
             'color': 'info',
         })
     
-    for month in range(1, 13):
+    month_order = list(range(9, 13)) + list(range(1, 9)) if mode == 'school' else list(range(1, 13))
+    for month in month_order:
+        actual_year = year if mode != 'school' or month >= 9 else year + 1
         # Nombre de jours dans le mois
-        days_in_month = monthrange(year, month)[1]
+        days_in_month = monthrange(actual_year, month)[1]
         
         # Jour de la semaine du premier jour (0=lundi, 6=dimanche)
-        first_weekday = date(year, month, 1).weekday()
+        first_weekday = date(actual_year, month, 1).weekday()
         
         weeks = []
         week = [None] * first_weekday  # Cases vides avant le 1er jour
         
         for day in range(1, days_in_month + 1):
-            d = date(year, month, day)
+            d = date(actual_year, month, day)
             vacation = is_vacation(d)
             leave = leave_dates.get(d)
             weekday = d.weekday()
@@ -130,6 +148,8 @@ def index():
                 'is_weekend': weekday >= 5,
                 'is_vacation': vacation is not None,
                 'vacation_name': vacation,
+                'is_holiday': d in holiday_dates,
+                'is_permanence': d in permanence_dates,
                 'is_leave': leave is not None,
                 'leave_type': leave.availability_type if leave else None,
                 'events': events_by_date.get(d, []),
@@ -145,6 +165,7 @@ def index():
         
         months_data.append({
             'name': months_names[month - 1],
+            'year': actual_year,
             'weeks': weeks
         })
     
@@ -158,6 +179,7 @@ def index():
     
     return render_template('planning/calendar.html',
         year=year,
+        mode=mode,
         months=months_data,
         stats=stats
     )
diff --git a/app_new/templates/planning/calendar.html b/app_new/templates/planning/calendar.html
index 2c7890d..035d166 100644
--- a/app_new/templates/planning/calendar.html
+++ b/app_new/templates/planning/calendar.html
@@ -6,7 +6,7 @@
     <div class="row mb-4">
         <div class="col-12">
             <div class="d-flex justify-content-between align-items-center">
-                <h1><i class="bi bi-calendar3 me-2"></i>Planning {{ year }}</h1>
+                <h1><i class="bi bi-calendar3 me-2"></i>Planning {% if mode == 'school' %}{{ year }}–{{ year + 1 }}{% else %}{{ year }}{% endif %}</h1>
                 <div>
                     <a href="{{ url_for('planning.index', year=year-1) }}" class="btn btn-outline-secondary">
                         <i class="bi bi-chevron-left"></i> {{ year-1 }}
@@ -14,6 +14,7 @@
                     <a href="{{ url_for('planning.index', year=year+1) }}" class="btn btn-outline-secondary">
                         {{ year+1 }} <i class="bi bi-chevron-right"></i>
                     </a>
+                    <div class="btn-group ms-2"><a href="{{ url_for('planning.index', year=year, mode='calendar') }}" class="btn btn-outline-primary {% if mode == 'calendar' %}active{% endif %}">Année civile</a><a href="{{ url_for('planning.index', year=year, mode='school') }}" class="btn btn-outline-primary {% if mode == 'school' %}active{% endif %}">Année scolaire</a></div>
                 </div>
             </div>
         </div>
@@ -61,7 +62,8 @@
             <div class="d-flex flex-wrap gap-3">
                 <span><span class="badge bg-secondary">Week-end</span></span>
                 <span><span class="badge bg-dark">Vacances</span></span>
-                <span><span class="badge bg-warning text-dark">Congé</span></span>
+                <span><span class="badge bg-warning text-dark">Jour férié</span></span>
+                <span><span class="badge" style="background:#b7e4c7;color:#14532d;">Permanence</span></span>
                 <span><span class="badge bg-primary">Intervention</span></span>
                 <span><span class="badge bg-info text-dark">Échéance préventive</span></span>
             </div>
@@ -76,7 +78,7 @@
         <div class="col-lg-4 col-md-6 mb-4">
             <div class="card">
                 <div class="card-header text-center">
-                    <strong>{{ month.name }}</strong>
+                    <strong>{{ month.name }} {{ month.year }}</strong>
                 </div>
                 <div class="card-body p-1">
                     <table class="table table-sm table-bordered mb-0" style="font-size: 0.8rem;">
@@ -95,14 +97,18 @@
                                 <td class="bg-light"></td>
                                 {% else %}
                                     {% set td_class = '' %}
-                                    {% if day_info.is_vacation %}
+                                    {% if day_info.is_permanence %}
+                                        {% set td_class = 'table-success' %}
+                                    {% elif day_info.is_holiday %}
+                                        {% set td_class = 'table-warning' %}
+                                    {% elif day_info.is_vacation %}
                                         {% set td_class = 'table-dark' %}
                                     {% elif day_info.is_leave %}
                                         {% set td_class = 'table-warning' %}
                                     {% elif day_info.is_weekend %}
                                         {% set td_class = 'table-secondary' %}
                                     {% endif %}
-                                    <td class="{{ td_class }} text-center">
+                                    <td class="{{ td_class }} text-center" title="{% if day_info.is_permanence %}Permanence{% elif day_info.is_holiday %}Jour férié{% elif day_info.vacation_name %}{{ day_info.vacation_name }}{% endif %}">
                                         {% set date_str = day_info.date.strftime('%Y-%m-%d') %}
                                         <a href="{{ url_for('planning.day', date_str=date_str) }}" 
                                            class="text-decoration-none {{ 'text-white' if td_class else '' }}"