date behaviour is correct

event/admin.py

@@ -62,13 +62,9 @@ class ActivityAdmin(admin.ModelAdmin):
     filter_horizontal = ['tags', 'places', ]
     fieldsets = (
             ('Général', {
-                'fields': ('event', 'parent', 'title', 'is_public', 'places', ),
+                'fields': ('event', 'parent', 'title', 'is_public', ('beginning', 'end', ), 'places', ),
                 'description': "Tous ces champs sont héritables (sauf parent et Évènement)",
                 }),
-            ('Champs non-héritables', {
-                'fields': ('parent', ),
-                'description': "Tous ces champs doivent être spécifiés",
-                }),
             ('Permanences', {
                 'fields': ('has_perm', ('min_perm', 'max_perm', ), ),
                 'classes': ('collapse',),

poulpe/settings/common.py

@@ -166,9 +166,9 @@ AUTH_PASSWORD_VALIDATORS = [
 # Internationalization
 # https://docs.djangoproject.com/en/1.8/topics/i18n/
 
-LANGUAGE_CODE = 'en-us'
+LANGUAGE_CODE = 'fr-fr'
 
-TIME_ZONE = 'UTC'
+TIME_ZONE = 'Europe/Paris'
 
 USE_I18N = True