diff --git a/models/acc_operation.py b/models/acc_operation.py
index 8f5c655887a38f3328f220be4f130633b552ff83..14ea31135a7c71a30944d990d632cc5ba1ba1cb8 100644
--- a/models/acc_operation.py
+++ b/models/acc_operation.py
@@ -1,9 +1,9 @@
 # Copyright 2023 Le Filament (<http://www.le-filament.com>)
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 import logging
-from datetime import date, datetime
+from datetime import date, datetime, timezone
 
-import pytz
+from dateutil import tz
 from dateutil.relativedelta import relativedelta
 
 from odoo import _, fields, models
@@ -120,7 +120,10 @@ class AccOperation(models.Model):
                     + str(fields.Datetime.today())
                 )
                 # message += self.with_delay(description=desc).get_definitive_load_curves(
-                self.with_delay(description=desc).get_definitive_load_curves(
+                # self.with_delay(description=desc).get_definitive_load_curves(
+                #     date_end, date_start, usage_point_id, "cons"
+                # )
+                self.get_definitive_load_curves(
                     date_end, date_start, usage_point_id, "cons"
                 )
 
@@ -136,7 +139,14 @@ class AccOperation(models.Model):
                     + " - Date: "
                     + str(fields.Datetime.today())
                 )
-                self.with_delay(description=desc).get_definitive_load_curves(
+                # self.with_delay(description=desc).get_definitive_load_curves(
+                #     # message += self.with_delay(description=desc).get_definitive_load_curves(
+                #     date_end,
+                #     date_start,
+                #     usage_point_id,
+                #     "prod",
+                # )
+                self.get_definitive_load_curves(
                     # message += self.with_delay(description=desc).get_definitive_load_curves(
                     date_end,
                     date_start,
@@ -189,13 +199,15 @@ class AccOperation(models.Model):
             type_curve = curve["type"]
 
             for point in curve["interval_reading"]:
-                dt = pytz.utc.localize(
-                    datetime.strptime(point["timestamp"], "%Y-%m-%dT%H:%M:%SZ")
+                date_slot = datetime.strptime(point["timestamp"], "%Y-%m-%dT%H:%M:%SZ")
+
+                slot_datetime_tz = datetime.strftime(date_slot, "%Y-%m-%d %H:%M:%S")
+                slot_date_tz = datetime.fromisoformat(slot_datetime_tz).replace(
+                    tzinfo=tz.gettz("Europe/Paris")
                 )
-                date_slot = fields.Datetime.to_string(
-                    dt.astimezone(pytz.timezone("Europe/Paris"))
+                date_slot_utc = slot_date_tz.astimezone(timezone.utc).replace(
+                    tzinfo=None
                 )
-                date_slot_utc = fields.Datetime.to_string(dt)
 
                 self.env["acc.enedis.cdc"].create(
                     {
@@ -205,7 +217,7 @@ class AccOperation(models.Model):
                         "comp_data_type": type_curve,
                         "power": point["value"],
                         "date_slot": date_slot,
-                        "date_slot_utc": date_slot_utc,
+                        "date_slot_utc": date_slot_utc
                     }
                 )
         message += "Fin du traitement des données\n"
@@ -223,13 +235,13 @@ class AccOperation(models.Model):
         )
 
         date_start_it = self.date_start_contract
-        date_end_it = self.date_start_contract + relativedelta(months=1, days=-1)
+        date_end_it = self.date_start_contract + relativedelta(months=1)
 
         i = 1
         while i < nb_months:
             self.curves(date_start_it, date_end_it)
             date_start_it = date_start_it + relativedelta(months=1)
-            date_end_it = date_start_it + relativedelta(months=1, days=-1)
+            date_end_it = date_start_it + relativedelta(months=1)
             i += 1
 
     def perimeter(self):
diff --git a/wizards/acc_operation_wizard.py b/wizards/acc_operation_wizard.py
index 2930c0dcba00879fd0186f978f2fe4a47b87b191..44f5803c7bb4de2a9d246d3effd95326b4ea833a 100644
--- a/wizards/acc_operation_wizard.py
+++ b/wizards/acc_operation_wizard.py
@@ -24,7 +24,7 @@ class AccOperationWizard(models.TransientModel):
         "acc.operation", default=lambda self: self._default_operation_id()
     )
     date_start = fields.Date("Date de début")
-    date_end = fields.Date("Date de fin")
+    date_end = fields.Date("Date de fin (exclue)")
     prm_cons_ids = fields.Many2many(
         "acc.counter",
         relation="acc_counter_cons_rel",
diff --git a/wizards/acc_operation_wizard_confirm.py b/wizards/acc_operation_wizard_confirm.py
index a05e1c25cd9fb29bc7f0029becc5992ea90d51c3..c37b85e8b9b82bf170a2a2a9ac5db1af72d032c7 100644
--- a/wizards/acc_operation_wizard_confirm.py
+++ b/wizards/acc_operation_wizard_confirm.py
@@ -13,7 +13,7 @@ class AccOperationWizardConfirm(models.TransientModel):
     # ------------------------------------------------------
     operation_id = fields.Many2one("acc.operation")
     date_start = fields.Date("Date de début")
-    date_end = fields.Date("Date de fin")
+    date_end = fields.Date("Date de fin (exclue)")
     prm_cons_ids = fields.Many2many(
         "acc.counter",
         relation="acc_counter_cons_confirm_rel",