diff --git a/addons/web/static/src/views/calendar/calendar_common/calendar_common_renderer.js b/addons/web/static/src/views/calendar/calendar_common/calendar_common_renderer.js
index 98487de5d7b..b8c178c593a 100644
--- a/addons/web/static/src/views/calendar/calendar_common/calendar_common_renderer.js
+++ b/addons/web/static/src/views/calendar/calendar_common/calendar_common_renderer.js
@@ -96,6 +96,7 @@ export class CalendarCommonRenderer extends Component {
             unselectAuto: false,
             weekLabel:
                 this.props.model.scale === "month" && this.env.isSmall ? "" : this.env._t("Week"),
+            weekends: this.props.isWeekendVisible,
             weekNumberCalculation: "ISO",
             weekNumbers: true,
             weekNumbersWithinDays: !this.env.isSmall,
@@ -158,7 +159,7 @@ export class CalendarCommonRenderer extends Component {
         this.popover.open(
             target,
             this.getPopoverProps(record),
-            `o_cw_popover o_calendar_color_${typeof(color) === "number" ? color : 0}`
+            `o_cw_popover o_calendar_color_${typeof color === "number" ? color : 0}`
         );
     }
     updateSize() {
diff --git a/addons/web/static/src/views/calendar/calendar_controller.js b/addons/web/static/src/views/calendar/calendar_controller.js
index c24085a148f..ef1e61ca5e5 100644
--- a/addons/web/static/src/views/calendar/calendar_controller.js
+++ b/addons/web/static/src/views/calendar/calendar_controller.js
@@ -16,6 +16,7 @@ import { SearchBar } from "@web/search/search_bar/search_bar";
 import { useSearchBarToggler } from "@web/search/search_bar/search_bar_toggler";
 import { ViewScaleSelector } from "@web/views/view_components/view_scale_selector";
 import { CogMenu } from "@web/search/cog_menu/cog_menu";
+import { browser } from "@web/core/browser/browser";
 
 import { Component, useState } from "@odoo/owl";
 
@@ -43,20 +44,28 @@ export class CalendarController extends Component {
         this.orm = useService("orm");
         this.displayDialog = useUniqueDialog();
 
-        this.model = useModelWithSampleData(this.props.Model, {
-            ...this.props.archInfo,
-            resModel: this.props.resModel,
-            domain: this.props.domain,
-            fields: this.props.fields,
-        }, {
-            onWillStart: this.onWillStartModel.bind(this),
-        });
+        this.model = useModelWithSampleData(
+            this.props.Model,
+            {
+                ...this.props.archInfo,
+                resModel: this.props.resModel,
+                domain: this.props.domain,
+                fields: this.props.fields,
+            },
+            {
+                onWillStart: this.onWillStartModel.bind(this),
+            }
+        );
 
         useSetupView({
             getLocalState: () => this.model.exportedState,
         });
 
         this.state = useState({
+            isWeekendVisible:
+                browser.localStorage.getItem("calendar.isWeekendVisible") != null
+                    ? JSON.parse(browser.localStorage.getItem("calendar.isWeekendVisible"))
+                    : true,
             showSideBar: !this.env.isSmall,
         });
 
@@ -66,6 +75,7 @@ export class CalendarController extends Component {
     get rendererProps() {
         return {
             model: this.model,
+            isWeekendVisible: this.model.scale === "day" || this.state.isWeekendVisible,
             createRecord: this.createRecord.bind(this),
             deleteRecord: this.deleteRecord.bind(this),
             editRecord: this.editRecord.bind(this),
@@ -216,7 +226,7 @@ export class CalendarController extends Component {
     }
 
     onWillStartModel() {}
-    
+
     async setDate(move) {
         let date = null;
         switch (move) {
@@ -242,6 +252,11 @@ export class CalendarController extends Component {
     async setScale(scale) {
         await this.model.load({ scale });
     }
+
+    toggleWeekendVisibility() {
+        this.state.isWeekendVisible = !this.state.isWeekendVisible;
+        browser.localStorage.setItem("calendar.isWeekendVisible", this.state.isWeekendVisible);
+    }
 }
 CalendarController.components = {
     DatePicker: CalendarDatePicker,
diff --git a/addons/web/static/src/views/calendar/calendar_controller.xml b/addons/web/static/src/views/calendar/calendar_controller.xml
index 358bd0c09b0..b72cffcd308 100644
--- a/addons/web/static/src/views/calendar/calendar_controller.xml
+++ b/addons/web/static/src/views/calendar/calendar_controller.xml
@@ -33,7 +33,7 @@
                                     aria-label="Previous"
                                     t-on-click.stop="() => this.setDate('previous')"
                                 ><i class="oi oi-arrow-left"/></button>
-                                <ViewScaleSelector scales="scales" currentScale="model.scale" setScale.bind="setScale" />
+                                <ViewScaleSelector scales="scales" currentScale="model.scale" isWeekendVisible="state.isWeekendVisible" setScale.bind="setScale" toggleWeekendVisibility.bind="toggleWeekendVisibility" />
                                 <button
                                     class="o_calendar_button_next btn btn-secondary btn-sm d-none d-md-block"
                                     title="Next"
diff --git a/addons/web/static/src/views/calendar/hooks.js b/addons/web/static/src/views/calendar/hooks.js
index ca0d814653a..47e75ab9dcf 100644
--- a/addons/web/static/src/views/calendar/hooks.js
+++ b/addons/web/static/src/views/calendar/hooks.js
@@ -10,6 +10,7 @@ import {
     onPatched,
     onWillStart,
     onWillUnmount,
+    onWillUpdateProps,
     useComponent,
     useExternalListener,
     useRef,
@@ -124,8 +125,14 @@ export function useFullCalendar(refName, params) {
             throw new Error(`Cannot instantiate FullCalendar\n${e.message}`);
         }
     });
+
+    let isWeekendVisible = params.isWeekendVisible;
+    onWillUpdateProps((np) => {
+        isWeekendVisible = np.isWeekendVisible;
+    });
     onPatched(() => {
         instance.refetchEvents();
+        instance.setOption("weekends", isWeekendVisible);
     });
     onWillUnmount(() => {
         instance.destroy();
diff --git a/addons/web/static/src/views/view_components/view_scale_selector.js b/addons/web/static/src/views/view_components/view_scale_selector.js
index 0754d431490..7220b9c38ac 100644
--- a/addons/web/static/src/views/view_components/view_scale_selector.js
+++ b/addons/web/static/src/views/view_components/view_scale_selector.js
@@ -13,7 +13,9 @@ export class ViewScaleSelector extends Component {
     static props = {
         scales: { type: Object },
         currentScale: { type: String },
+        isWeekendVisible: { type: Boolean, optional: true },
         setScale: { type: Function },
+        toggleWeekendVisibility: { type: Function, optional: true },
     };
     get scales() {
         return Object.entries(this.props.scales).map(([key, value]) => ({ key, ...value }));
diff --git a/addons/web/static/src/views/view_components/view_scale_selector.xml b/addons/web/static/src/views/view_components/view_scale_selector.xml
index 9262331f4f9..01b5e0f4b6a 100644
--- a/addons/web/static/src/views/view_components/view_scale_selector.xml
+++ b/addons/web/static/src/views/view_components/view_scale_selector.xml
@@ -15,6 +15,14 @@
                     <t t-esc="scale.description" />
                 </DropdownItem>
             </t>
+            <div t-if="this.props.isWeekendVisible !== undefined" class="dropdown-divider" role="separator"/>
+            <DropdownItem
+                    t-if="this.props.isWeekendVisible !== undefined"
+                    class="`${props.isWeekendVisible ? 'active' : ''}`"
+                    onSelected="props.toggleWeekendVisibility"
+                >
+                Show weekends
+            </DropdownItem>
         </Dropdown>
     </t>
 
diff --git a/addons/web/static/tests/views/calendar/calendar_view_tests.js b/addons/web/static/tests/views/calendar/calendar_view_tests.js
index 49af6e57754..55b7750ca0f 100644
--- a/addons/web/static/tests/views/calendar/calendar_view_tests.js
+++ b/addons/web/static/tests/views/calendar/calendar_view_tests.js
@@ -2688,7 +2688,10 @@ QUnit.module("Views", ({ beforeEach }) => {
                 </calendar>
             `,
         });
-        const colorClass = Array.from(findEvent(target, 1).classList).find(className => className.startsWith("o_calendar_color_"));
+
+        const colorClass = Array.from(findEvent(target, 1).classList).find((className) =>
+            className.startsWith("o_calendar_color_")
+        );
         assert.notOk(isNaN(Number(colorClass.split("_").at(-1))));
         await clickEvent(target, 1);
         assert.hasClass(target.querySelector(".o_cw_popover"), colorClass);
diff --git a/addons/web/static/tests/views/view_components/view_scale_selector_tests.js b/addons/web/static/tests/views/view_components/view_scale_selector_tests.js
index 9b33ca86d23..55cc74ee65d 100644
--- a/addons/web/static/tests/views/view_components/view_scale_selector_tests.js
+++ b/addons/web/static/tests/views/view_components/view_scale_selector_tests.js
@@ -45,10 +45,14 @@ QUnit.module("ViewComponents", (hooks) => {
                             description: "Yearly",
                         },
                     },
+                    isWeekendVisible: true,
                     setScale: (scale) => {
                         this.state.scale = scale;
                         assert.step(scale);
                     },
+                    toggleWeekendVisibility: () => {
+                        assert.step("toggleWeekendVisibility");
+                    },
                     currentScale: this.state.scale,
                 };
             }
@@ -89,6 +93,10 @@ QUnit.module("ViewComponents", (hooks) => {
             "Daily",
             "the right text is displayed on the toggler"
         );
+
+        await click(target, ".scale_button_selection");
+        await click(target, ".dropdown-item:last-child");
+        assert.verifySteps(["toggleWeekendVisibility"]);
     });
 
     QUnit.test("ViewScaleSelector with only one scale available", async (assert) => {
@@ -110,6 +118,8 @@ QUnit.module("ViewComponents", (hooks) => {
                         },
                     },
                     setScale: () => {},
+                    isWeekendVisible: false,
+                    toggleWeekendVisibility: () => {},
                     currentScale: this.state.scale,
                 };
             }