diff --git a/stock_release_channel_plan/__manifest__.py b/stock_release_channel_plan/__manifest__.py
index c99342f1f0..c9a94f993f 100644
--- a/stock_release_channel_plan/__manifest__.py
+++ b/stock_release_channel_plan/__manifest__.py
@@ -11,11 +11,15 @@
     "author": "ACSONE SA/NV,BCIM,Odoo Community Association (OCA)",
     "maintainers": ["jbaudoux"],
     "website": "https://github.com/OCA/wms",
-    "depends": ["stock_release_channel"],
+    "depends": [
+        "base_time_window",
+        "stock_release_channel",
+    ],
     "data": [
         "security/stock_release_channel_preparation_plan.xml",
         "security/stock_release_channel_plan_launch.xml",
         "wizards/launch_plan.xml",
+        "views/res_partner.xml",
         "views/stock_release_channel_preparation_plan.xml",
         "views/stock_release_channel.xml",
     ],
diff --git a/stock_release_channel_plan/models/__init__.py b/stock_release_channel_plan/models/__init__.py
index 308228054c..fb5000fcf0 100644
--- a/stock_release_channel_plan/models/__init__.py
+++ b/stock_release_channel_plan/models/__init__.py
@@ -1,2 +1,3 @@
+from . import res_partner
 from . import stock_release_channel
 from . import stock_release_channel_preparation_plan
diff --git a/stock_release_channel_plan/models/res_partner.py b/stock_release_channel_plan/models/res_partner.py
new file mode 100644
index 0000000000..29e385ffcc
--- /dev/null
+++ b/stock_release_channel_plan/models/res_partner.py
@@ -0,0 +1,21 @@
+# Copyright 2024 Camptocamp SA
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl)
+from odoo import api, fields, models
+
+
+class ResPartner(models.Model):
+    _inherit = "res.partner"
+
+    stock_release_channel_delivery_weekday_ids = fields.Many2many(
+        "time.weekday",
+        compute="_compute_stock_release_channel_delivery_weekday_ids",
+        readonly=True,
+        store=True,
+    )
+
+    @api.depends("stock_release_channel_ids.preparation_weekday_ids")
+    def _compute_stock_release_channel_delivery_weekday_ids(self):
+        for partner in self:
+            partner.stock_release_channel_delivery_weekday_ids = (
+                partner.stock_release_channel_ids.preparation_weekday_ids
+            )
diff --git a/stock_release_channel_plan/models/stock_release_channel.py b/stock_release_channel_plan/models/stock_release_channel.py
index f466b2434c..2457c80734 100644
--- a/stock_release_channel_plan/models/stock_release_channel.py
+++ b/stock_release_channel_plan/models/stock_release_channel.py
@@ -14,3 +14,9 @@ class StockReleaseChannel(models.Model):
         column2="plan_id",
         string="Preparation Plans",
     )
+    preparation_weekday_ids = fields.Many2many(
+        "time.weekday",
+        "release_channel_preparation_weekday_rel",
+        "channel_id",
+        "weekday_id",
+    )
diff --git a/stock_release_channel_plan/views/res_partner.xml b/stock_release_channel_plan/views/res_partner.xml
new file mode 100644
index 0000000000..9ad571138b
--- /dev/null
+++ b/stock_release_channel_plan/views/res_partner.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<odoo>
+    <record model="ir.ui.view" id="res_partner_form_view">
+        <field name="model">res.partner</field>
+        <field name="inherit_id" ref="stock_release_channel.res_partner_form_view" />
+        <field name="arch" type="xml">
+            <field name="stock_release_channel_ids" position="after">
+                <field
+                    name="stock_release_channel_delivery_weekday_ids"
+                    widget="many2many_tags"
+                />
+            </field>
+        </field>
+    </record>
+</odoo>
diff --git a/stock_release_channel_plan/views/stock_release_channel.xml b/stock_release_channel_plan/views/stock_release_channel.xml
index 101f1d280c..f6a7426162 100644
--- a/stock_release_channel_plan/views/stock_release_channel.xml
+++ b/stock_release_channel_plan/views/stock_release_channel.xml
@@ -13,12 +13,11 @@
         <field name="arch" type="xml">
             <xpath expr="//notebook" position="before">
                 <group>
+                    <field name="preparation_weekday_ids" widget="many2many_tags" />
                     <field name="preparation_plan_ids" widget="many2many_tags" />
                 </group>
             </xpath>
         </field>
     </record>
 
-
-
 </odoo>
diff --git a/stock_release_channel_plan/views/stock_release_channel_preparation_plan.xml b/stock_release_channel_plan/views/stock_release_channel_preparation_plan.xml
index 5139c25ad8..6ed83ea5d0 100644
--- a/stock_release_channel_plan/views/stock_release_channel_preparation_plan.xml
+++ b/stock_release_channel_plan/views/stock_release_channel_preparation_plan.xml
@@ -68,7 +68,13 @@
                         </h1>
                         <field name="active" invisible="1" />
                     </div>
-                    <field name="release_channel_ids" />
+                    <field name="release_channel_ids">
+                        <tree>
+                            <field name="name" />
+                            <field name="state" />
+                            <field name="preparation_weekday_ids" />
+                        </tree>
+                    </field>
                 </sheet>
             </form>
         </field>