From 22bc2712aba8311c0d19884af822b85cfdfb0cef Mon Sep 17 00:00:00 2001
From: Charles Bochet <charlesBochet@users.noreply.github.com>
Date: Mon, 15 Sep 2025 10:58:41 +0200
Subject: [PATCH] Implement Calendar Grid (#14487)

<img width="1512" height="876" alt="image"
src="https://github.com/user-attachments/assets/bb96bc86-8ae8-4a00-b31b-cc51c43b45ef"
/>
---
 .../components/RecordCalendar.tsx             |  31 ++++
 .../components/RecordCalendarTopBar.tsx       |  32 +++++
 .../month/components/RecordCalendarMonth.tsx  |  44 ++++++
 .../components/RecordCalendarMonthBody.tsx    |  24 ++++
 .../components/RecordCalendarMonthBodyDay.tsx |  16 +++
 .../RecordCalendarMonthBodyWeek.tsx           |  34 +++++
 .../components/RecordCalendarMonthHeader.tsx  |  21 +++
 .../RecordCalendarMonthHeaderDay.tsx          |  17 +++
 .../RecordCalendarMonth.stories.tsx           | 133 ++++++++++++++++++
 .../contexts/RecordCalendarMonthContext.ts    |  18 +++
 .../hooks/useRecordCalendarMonthDaysRange.tsx |  71 ++++++++++
 .../RecordIndexCalendarContainer.tsx          |   3 +-
 12 files changed, 443 insertions(+), 1 deletion(-)
 create mode 100644 packages/twenty-front/src/modules/object-record/record-calendar/components/RecordCalendar.tsx
 create mode 100644 packages/twenty-front/src/modules/object-record/record-calendar/components/RecordCalendarTopBar.tsx
 create mode 100644 packages/twenty-front/src/modules/object-record/record-calendar/month/components/RecordCalendarMonth.tsx
 create mode 100644 packages/twenty-front/src/modules/object-record/record-calendar/month/components/RecordCalendarMonthBody.tsx
 create mode 100644 packages/twenty-front/src/modules/object-record/record-calendar/month/components/RecordCalendarMonthBodyDay.tsx
 create mode 100644 packages/twenty-front/src/modules/object-record/record-calendar/month/components/RecordCalendarMonthBodyWeek.tsx
 create mode 100644 packages/twenty-front/src/modules/object-record/record-calendar/month/components/RecordCalendarMonthHeader.tsx
 create mode 100644 packages/twenty-front/src/modules/object-record/record-calendar/month/components/RecordCalendarMonthHeaderDay.tsx
 create mode 100644 packages/twenty-front/src/modules/object-record/record-calendar/month/components/__stories__/RecordCalendarMonth.stories.tsx
 create mode 100644 packages/twenty-front/src/modules/object-record/record-calendar/month/contexts/RecordCalendarMonthContext.ts
 create mode 100644 packages/twenty-front/src/modules/object-record/record-calendar/month/hooks/useRecordCalendarMonthDaysRange.tsx

diff --git a/packages/twenty-front/src/modules/object-record/record-calendar/components/RecordCalendar.tsx b/packages/twenty-front/src/modules/object-record/record-calendar/components/RecordCalendar.tsx
new file mode 100644
index 00000000000..508b72fb9ce
--- /dev/null
+++ b/packages/twenty-front/src/modules/object-record/record-calendar/components/RecordCalendar.tsx
@@ -0,0 +1,31 @@
+import styled from '@emotion/styled';
+
+import { RecordCalendarTopBar } from '@/object-record/record-calendar/components/RecordCalendarTopBar';
+import { RecordCalendarMonth } from '@/object-record/record-calendar/month/components/RecordCalendarMonth';
+import { RecordCalendarComponentInstanceContext } from '@/object-record/record-calendar/states/contexts/RecordCalendarComponentInstanceContext';
+import { ScrollWrapper } from '@/ui/utilities/scroll/components/ScrollWrapper';
+import { useAvailableComponentInstanceIdOrThrow } from '@/ui/utilities/state/component-state/hooks/useAvailableComponentInstanceIdOrThrow';
+
+const StyledContainerContainer = styled.div`
+  display: flex;
+  flex-direction: column;
+  min-height: calc(100% - ${({ theme }) => theme.spacing(2)});
+  height: min-content;
+`;
+
+export const RecordCalendar = () => {
+  const recordCalendarId = useAvailableComponentInstanceIdOrThrow(
+    RecordCalendarComponentInstanceContext,
+  );
+
+  return (
+    <ScrollWrapper
+      componentInstanceId={`scroll-wrapper-record-calendar-${recordCalendarId}`}
+    >
+      <StyledContainerContainer>
+        <RecordCalendarTopBar />
+        <RecordCalendarMonth />
+      </StyledContainerContainer>
+    </ScrollWrapper>
+  );
+};
diff --git a/packages/twenty-front/src/modules/object-record/record-calendar/components/RecordCalendarTopBar.tsx b/packages/twenty-front/src/modules/object-record/record-calendar/components/RecordCalendarTopBar.tsx
new file mode 100644
index 00000000000..a1e6e39879c
--- /dev/null
+++ b/packages/twenty-front/src/modules/object-record/record-calendar/components/RecordCalendarTopBar.tsx
@@ -0,0 +1,32 @@
+import { RecordCalendarComponentInstanceContext } from '@/object-record/record-calendar/states/contexts/RecordCalendarComponentInstanceContext';
+import { Select } from '@/ui/input/components/Select';
+import { useAvailableComponentInstanceIdOrThrow } from '@/ui/utilities/state/component-state/hooks/useAvailableComponentInstanceIdOrThrow';
+import styled from '@emotion/styled';
+
+const StyledContainer = styled.div`
+  display: flex;
+  height: 24px;
+`;
+
+export const RecordCalendarTopBar = () => {
+  const recordCalendarId = useAvailableComponentInstanceIdOrThrow(
+    RecordCalendarComponentInstanceContext,
+  );
+
+  return (
+    <StyledContainer>
+      <Select
+        dropdownId={`record-calendar-top-bar-layout-select-${recordCalendarId}`}
+        selectSizeVariant="small"
+        options={[
+          {
+            label: 'Month',
+            value: 'MONTH',
+          },
+        ]}
+        value={''}
+        onChange={() => {}}
+      />
+    </StyledContainer>
+  );
+};
diff --git a/packages/twenty-front/src/modules/object-record/record-calendar/month/components/RecordCalendarMonth.tsx b/packages/twenty-front/src/modules/object-record/record-calendar/month/components/RecordCalendarMonth.tsx
new file mode 100644
index 00000000000..b3467a7c80f
--- /dev/null
+++ b/packages/twenty-front/src/modules/object-record/record-calendar/month/components/RecordCalendarMonth.tsx
@@ -0,0 +1,44 @@
+import { RecordCalendarMonthBody } from '@/object-record/record-calendar/month/components/RecordCalendarMonthBody';
+import { RecordCalendarMonthHeader } from '@/object-record/record-calendar/month/components/RecordCalendarMonthHeader';
+import { RecordCalendarMonthContextProvider } from '@/object-record/record-calendar/month/contexts/RecordCalendarMonthContext';
+import { useRecordCalendarMonthDaysRange } from '@/object-record/record-calendar/month/hooks/useRecordCalendarMonthDaysRange';
+import styled from '@emotion/styled';
+
+const StyledContainer = styled.div`
+  display: flex;
+  height: 24px;
+  flex-direction: column;
+`;
+
+export const RecordCalendarMonth = () => {
+  const currentDay = new Date();
+
+  const {
+    firstDayOfMonth,
+    lastDayOfMonth,
+    firstDayOfFirstWeek,
+    lastDayOfLastWeek,
+    weekDayLabels,
+    weekFirstDays,
+    weekStartsOnDayIndex,
+  } = useRecordCalendarMonthDaysRange(currentDay);
+
+  return (
+    <RecordCalendarMonthContextProvider
+      value={{
+        firstDayOfMonth,
+        lastDayOfMonth,
+        firstDayOfFirstWeek,
+        lastDayOfLastWeek,
+        weekDayLabels,
+        weekFirstDays,
+        weekStartsOnDayIndex,
+      }}
+    >
+      <StyledContainer>
+        <RecordCalendarMonthHeader />
+        <RecordCalendarMonthBody />
+      </StyledContainer>
+    </RecordCalendarMonthContextProvider>
+  );
+};
diff --git a/packages/twenty-front/src/modules/object-record/record-calendar/month/components/RecordCalendarMonthBody.tsx b/packages/twenty-front/src/modules/object-record/record-calendar/month/components/RecordCalendarMonthBody.tsx
new file mode 100644
index 00000000000..473635f455b
--- /dev/null
+++ b/packages/twenty-front/src/modules/object-record/record-calendar/month/components/RecordCalendarMonthBody.tsx
@@ -0,0 +1,24 @@
+import { RecordCalendarMonthBodyWeek } from '@/object-record/record-calendar/month/components/RecordCalendarMonthBodyWeek';
+import { useRecordCalendarMonthContextOrThrow } from '@/object-record/record-calendar/month/contexts/RecordCalendarMonthContext';
+import styled from '@emotion/styled';
+
+const StyledContainer = styled.div`
+  display: flex;
+  height: 24px;
+  flex-direction: column;
+`;
+
+export const RecordCalendarMonthBody = () => {
+  const { weekFirstDays } = useRecordCalendarMonthContextOrThrow();
+
+  return (
+    <StyledContainer>
+      {weekFirstDays.map((weekFirstDay) => (
+        <RecordCalendarMonthBodyWeek
+          key={`week-${weekFirstDay.toDateString()}`}
+          startDayOfWeek={weekFirstDay}
+        />
+      ))}
+    </StyledContainer>
+  );
+};
diff --git a/packages/twenty-front/src/modules/object-record/record-calendar/month/components/RecordCalendarMonthBodyDay.tsx b/packages/twenty-front/src/modules/object-record/record-calendar/month/components/RecordCalendarMonthBodyDay.tsx
new file mode 100644
index 00000000000..fa12479b0a3
--- /dev/null
+++ b/packages/twenty-front/src/modules/object-record/record-calendar/month/components/RecordCalendarMonthBodyDay.tsx
@@ -0,0 +1,16 @@
+import styled from '@emotion/styled';
+
+const StyledContainer = styled.div`
+  display: flex;
+  width: calc(100% / 7);
+`;
+
+type RecordCalendarMonthBodyDayProps = {
+  day: Date;
+};
+
+export const RecordCalendarMonthBodyDay = ({
+  day,
+}: RecordCalendarMonthBodyDayProps) => {
+  return <StyledContainer>{day.getDate()}</StyledContainer>;
+};
diff --git a/packages/twenty-front/src/modules/object-record/record-calendar/month/components/RecordCalendarMonthBodyWeek.tsx b/packages/twenty-front/src/modules/object-record/record-calendar/month/components/RecordCalendarMonthBodyWeek.tsx
new file mode 100644
index 00000000000..5adb1f4c708
--- /dev/null
+++ b/packages/twenty-front/src/modules/object-record/record-calendar/month/components/RecordCalendarMonthBodyWeek.tsx
@@ -0,0 +1,34 @@
+import { RecordCalendarMonthBodyDay } from '@/object-record/record-calendar/month/components/RecordCalendarMonthBodyDay';
+import { useRecordCalendarMonthContextOrThrow } from '@/object-record/record-calendar/month/contexts/RecordCalendarMonthContext';
+import styled from '@emotion/styled';
+import { eachDayOfInterval, endOfWeek } from 'date-fns';
+
+const StyledContainer = styled.div`
+  display: flex;
+  min-height: 122px;
+`;
+
+type RecordCalendarMonthBodyWeekProps = {
+  startDayOfWeek: Date;
+};
+
+export const RecordCalendarMonthBodyWeek = ({
+  startDayOfWeek,
+}: RecordCalendarMonthBodyWeekProps) => {
+  const { weekStartsOnDayIndex } = useRecordCalendarMonthContextOrThrow();
+
+  const daysOfWeek = eachDayOfInterval({
+    start: startDayOfWeek,
+    end: endOfWeek(startDayOfWeek, {
+      weekStartsOn: weekStartsOnDayIndex,
+    }),
+  });
+
+  return (
+    <StyledContainer>
+      {daysOfWeek.map((day, index) => (
+        <RecordCalendarMonthBodyDay key={`day-${index}`} day={day} />
+      ))}
+    </StyledContainer>
+  );
+};
diff --git a/packages/twenty-front/src/modules/object-record/record-calendar/month/components/RecordCalendarMonthHeader.tsx b/packages/twenty-front/src/modules/object-record/record-calendar/month/components/RecordCalendarMonthHeader.tsx
new file mode 100644
index 00000000000..2ae5e79b328
--- /dev/null
+++ b/packages/twenty-front/src/modules/object-record/record-calendar/month/components/RecordCalendarMonthHeader.tsx
@@ -0,0 +1,21 @@
+import { RecordCalendarMonthHeaderDay } from '@/object-record/record-calendar/month/components/RecordCalendarMonthHeaderDay';
+import { useRecordCalendarMonthContextOrThrow } from '@/object-record/record-calendar/month/contexts/RecordCalendarMonthContext';
+import styled from '@emotion/styled';
+
+const StyledContainer = styled.div`
+  display: flex;
+  height: 24px;
+  width: 100%;
+`;
+
+export const RecordCalendarMonthHeader = () => {
+  const { weekDayLabels } = useRecordCalendarMonthContextOrThrow();
+
+  return (
+    <StyledContainer>
+      {weekDayLabels.map((label, index) => (
+        <RecordCalendarMonthHeaderDay key={`label-${index}`} label={label} />
+      ))}
+    </StyledContainer>
+  );
+};
diff --git a/packages/twenty-front/src/modules/object-record/record-calendar/month/components/RecordCalendarMonthHeaderDay.tsx b/packages/twenty-front/src/modules/object-record/record-calendar/month/components/RecordCalendarMonthHeaderDay.tsx
new file mode 100644
index 00000000000..643f88c02b8
--- /dev/null
+++ b/packages/twenty-front/src/modules/object-record/record-calendar/month/components/RecordCalendarMonthHeaderDay.tsx
@@ -0,0 +1,17 @@
+import styled from '@emotion/styled';
+
+type RecordCalendarMonthHeaderDayProps = {
+  label: string;
+};
+
+const StyledLabel = styled.div`
+  display: flex;
+  width: calc(100% / 7);
+  height: 24px;
+`;
+
+export const RecordCalendarMonthHeaderDay = ({
+  label,
+}: RecordCalendarMonthHeaderDayProps) => {
+  return <StyledLabel>{label}</StyledLabel>;
+};
diff --git a/packages/twenty-front/src/modules/object-record/record-calendar/month/components/__stories__/RecordCalendarMonth.stories.tsx b/packages/twenty-front/src/modules/object-record/record-calendar/month/components/__stories__/RecordCalendarMonth.stories.tsx
new file mode 100644
index 00000000000..0427d1b5dc9
--- /dev/null
+++ b/packages/twenty-front/src/modules/object-record/record-calendar/month/components/__stories__/RecordCalendarMonth.stories.tsx
@@ -0,0 +1,133 @@
+import { type Meta, type StoryObj } from '@storybook/react';
+
+import { type TaskGroups } from '@/activities/tasks/components/TaskGroups';
+import { contextStoreCurrentViewIdComponentState } from '@/context-store/states/contextStoreCurrentViewIdComponentState';
+import { CoreObjectNamePlural } from '@/object-metadata/types/CoreObjectNamePlural';
+import { CoreObjectNameSingular } from '@/object-metadata/types/CoreObjectNameSingular';
+import { ObjectFilterDropdownComponentInstanceContext } from '@/object-record/object-filter-dropdown/states/contexts/ObjectFilterDropdownComponentInstanceContext';
+import { RecordIndexContextProvider } from '@/object-record/record-index/contexts/RecordIndexContext';
+import { RecordTableComponentInstanceContext } from '@/object-record/record-table/states/context/RecordTableComponentInstanceContext';
+import { useSetRecoilComponentState } from '@/ui/utilities/state/component-state/hooks/useSetRecoilComponentState';
+import { ViewComponentInstanceContext } from '@/views/states/contexts/ViewComponentInstanceContext';
+
+import { MAIN_CONTEXT_STORE_INSTANCE_ID } from '@/context-store/constants/MainContextStoreInstanceId';
+import { RecordComponentInstanceContextsWrapper } from '@/object-record/components/RecordComponentInstanceContextsWrapper';
+import { RecordCalendarMonth } from '@/object-record/record-calendar/month/components/RecordCalendarMonth';
+import { currentRecordFieldsComponentState } from '@/object-record/record-field/states/currentRecordFieldsComponentState';
+import { type RecordField } from '@/object-record/record-field/types/RecordField';
+import { useRecordIndexFieldMetadataDerivedStates } from '@/object-record/record-index/hooks/useRecordIndexFieldMetadataDerivedStates';
+import { VIEW_BAR_FILTER_DROPDOWN_ID } from '@/views/constants/ViewBarFilterDropdownId';
+import { coreViewsState } from '@/views/states/coreViewState';
+import { useSetRecoilState } from 'recoil';
+import { ComponentDecorator } from 'twenty-ui/testing';
+import { ContextStoreDecorator } from '~/testing/decorators/ContextStoreDecorator';
+import { I18nFrontDecorator } from '~/testing/decorators/I18nFrontDecorator';
+import { IconsProviderDecorator } from '~/testing/decorators/IconsProviderDecorator';
+import { ObjectMetadataItemsDecorator } from '~/testing/decorators/ObjectMetadataItemsDecorator';
+import { SnackBarDecorator } from '~/testing/decorators/SnackBarDecorator';
+import { mockedCoreViewsData } from '~/testing/mock-data/views';
+import { generatedMockObjectMetadataItems } from '~/testing/utils/generatedMockObjectMetadataItems';
+
+const meta: Meta<typeof RecordCalendarMonth> = {
+  title: 'Modules/ObjectRecord/RecordCalendar/Month',
+  component: RecordCalendarMonth,
+  decorators: [
+    (Story) => {
+      const companyObjectMetadataItem = generatedMockObjectMetadataItems.find(
+        (item) => item.nameSingular === CoreObjectNameSingular.Company,
+      )!;
+      const instanceId = companyObjectMetadataItem.id;
+
+      const setCurrentRecordFields = useSetRecoilComponentState(
+        currentRecordFieldsComponentState,
+        instanceId,
+      );
+
+      const setCoreViews = useSetRecoilState(coreViewsState);
+
+      const mockCoreView = mockedCoreViewsData[0];
+
+      setCoreViews([mockCoreView]);
+
+      const setCurrentViewId = useSetRecoilComponentState(
+        contextStoreCurrentViewIdComponentState,
+        MAIN_CONTEXT_STORE_INSTANCE_ID,
+      );
+
+      setCurrentViewId(mockCoreView.id);
+
+      const columns = companyObjectMetadataItem.fields.map(
+        (fieldMetadataItem, index) =>
+          ({
+            id: fieldMetadataItem.id,
+            fieldMetadataItemId: fieldMetadataItem.id,
+            isVisible: true,
+            position: index,
+            size: 100,
+          }) satisfies RecordField,
+      );
+
+      setCurrentRecordFields(columns);
+
+      const {
+        fieldDefinitionByFieldMetadataItemId,
+        fieldMetadataItemByFieldMetadataItemId,
+        labelIdentifierFieldMetadataItem,
+        recordFieldByFieldMetadataItemId,
+      } = useRecordIndexFieldMetadataDerivedStates(
+        companyObjectMetadataItem,
+        instanceId,
+      );
+
+      return (
+        <RecordIndexContextProvider
+          value={{
+            objectPermissionsByObjectMetadataId: {},
+            indexIdentifierUrl: () => '',
+            onIndexRecordsLoaded: () => {},
+            objectNamePlural: CoreObjectNamePlural.Company,
+            objectNameSingular: CoreObjectNameSingular.Company,
+            objectMetadataItem: companyObjectMetadataItem,
+            recordIndexId: instanceId,
+            viewBarInstanceId: instanceId,
+            labelIdentifierFieldMetadataItem,
+            recordFieldByFieldMetadataItemId,
+            fieldDefinitionByFieldMetadataItemId,
+            fieldMetadataItemByFieldMetadataItemId,
+          }}
+        >
+          <RecordComponentInstanceContextsWrapper
+            componentInstanceId={instanceId}
+          >
+            <ObjectFilterDropdownComponentInstanceContext.Provider
+              value={{ instanceId: VIEW_BAR_FILTER_DROPDOWN_ID }}
+            >
+              <RecordTableComponentInstanceContext.Provider
+                value={{
+                  instanceId: instanceId,
+                }}
+              >
+                <ViewComponentInstanceContext.Provider value={{ instanceId }}>
+                  <Story />
+                </ViewComponentInstanceContext.Provider>
+              </RecordTableComponentInstanceContext.Provider>
+            </ObjectFilterDropdownComponentInstanceContext.Provider>
+          </RecordComponentInstanceContextsWrapper>
+        </RecordIndexContextProvider>
+      );
+    },
+    ContextStoreDecorator,
+    ObjectMetadataItemsDecorator,
+    SnackBarDecorator,
+    ComponentDecorator,
+    IconsProviderDecorator,
+    I18nFrontDecorator,
+  ],
+};
+
+export default meta;
+type Story = StoryObj<typeof TaskGroups>;
+
+export const Default: Story = {
+  play: async () => {},
+};
diff --git a/packages/twenty-front/src/modules/object-record/record-calendar/month/contexts/RecordCalendarMonthContext.ts b/packages/twenty-front/src/modules/object-record/record-calendar/month/contexts/RecordCalendarMonthContext.ts
new file mode 100644
index 00000000000..3b0ba782ace
--- /dev/null
+++ b/packages/twenty-front/src/modules/object-record/record-calendar/month/contexts/RecordCalendarMonthContext.ts
@@ -0,0 +1,18 @@
+import { createRequiredContext } from '~/utils/createRequiredContext';
+
+type RecordCalendarMonthContextValue = {
+  firstDayOfMonth: Date;
+  lastDayOfMonth: Date;
+  firstDayOfFirstWeek: Date;
+  lastDayOfLastWeek: Date;
+  weekDayLabels: string[];
+  weekFirstDays: Date[];
+  weekStartsOnDayIndex: 0 | 1 | 2 | 3 | 4 | 5 | 6;
+};
+
+export const [
+  RecordCalendarMonthContextProvider,
+  useRecordCalendarMonthContextOrThrow,
+] = createRequiredContext<RecordCalendarMonthContextValue>(
+  'RecordCalendarMonthContext',
+);
diff --git a/packages/twenty-front/src/modules/object-record/record-calendar/month/hooks/useRecordCalendarMonthDaysRange.tsx b/packages/twenty-front/src/modules/object-record/record-calendar/month/hooks/useRecordCalendarMonthDaysRange.tsx
new file mode 100644
index 00000000000..718a6b4e2b4
--- /dev/null
+++ b/packages/twenty-front/src/modules/object-record/record-calendar/month/hooks/useRecordCalendarMonthDaysRange.tsx
@@ -0,0 +1,71 @@
+import { currentWorkspaceMemberState } from '@/auth/states/currentWorkspaceMemberState';
+import { CalendarStartDay } from '@/localization/constants/CalendarStartDay';
+import { detectCalendarStartDay } from '@/localization/utils/detectCalendarStartDay';
+import {
+  addDays,
+  eachWeekOfInterval,
+  endOfWeek,
+  format,
+  lastDayOfMonth as lastDayOfMonthFn,
+  startOfMonth,
+  startOfWeek,
+} from 'date-fns';
+import { useRecoilValue } from 'recoil';
+
+import { dateLocaleState } from '~/localization/states/dateLocaleState';
+
+export const useRecordCalendarMonthDaysRange = (selectedDate: Date) => {
+  const currentWorkspaceMember = useRecoilValue(currentWorkspaceMemberState);
+  const dateLocale = useRecoilValue(dateLocaleState);
+
+  if (!currentWorkspaceMember) {
+    throw new Error('Current workspace member not found');
+  }
+
+  const weekStartsOnDayIndex = (
+    currentWorkspaceMember?.calendarStartDay === CalendarStartDay.SYSTEM
+      ? CalendarStartDay[detectCalendarStartDay()]
+      : (currentWorkspaceMember?.calendarStartDay ?? 0)
+  ) as 0 | 1 | 2 | 3 | 4 | 5 | 6;
+
+  const firstDayOfMonth = startOfMonth(selectedDate);
+  const lastDayOfMonth = lastDayOfMonthFn(selectedDate);
+
+  const firstDayOfFirstWeek = startOfWeek(firstDayOfMonth, {
+    weekStartsOn: weekStartsOnDayIndex,
+    locale: dateLocale.localeCatalog,
+  });
+
+  const lastDayOfLastWeek = endOfWeek(lastDayOfMonth, {
+    weekStartsOn: weekStartsOnDayIndex,
+    locale: dateLocale.localeCatalog,
+  });
+
+  const daysOfWeekLabels: string[] = [];
+
+  for (let i = 0; i < 7; i++) {
+    const day = addDays(firstDayOfFirstWeek, i);
+    const label = format(day, 'EEE', { locale: dateLocale.localeCatalog });
+    daysOfWeekLabels.push(label);
+  }
+
+  const weekFirstDays = eachWeekOfInterval(
+    {
+      start: firstDayOfFirstWeek,
+      end: lastDayOfLastWeek,
+    },
+    {
+      weekStartsOn: weekStartsOnDayIndex,
+    },
+  );
+
+  return {
+    weekStartsOnDayIndex,
+    weekDayLabels: daysOfWeekLabels,
+    firstDayOfFirstWeek,
+    firstDayOfMonth,
+    lastDayOfMonth,
+    lastDayOfLastWeek,
+    weekFirstDays,
+  };
+};
diff --git a/packages/twenty-front/src/modules/object-record/record-index/components/RecordIndexCalendarContainer.tsx b/packages/twenty-front/src/modules/object-record/record-index/components/RecordIndexCalendarContainer.tsx
index 3a53cf779b9..50998c06138 100644
--- a/packages/twenty-front/src/modules/object-record/record-index/components/RecordIndexCalendarContainer.tsx
+++ b/packages/twenty-front/src/modules/object-record/record-index/components/RecordIndexCalendarContainer.tsx
@@ -1,5 +1,6 @@
 import { useObjectMetadataItem } from '@/object-metadata/hooks/useObjectMetadataItem';
 import { useObjectPermissionsForObject } from '@/object-record/hooks/useObjectPermissionsForObject';
+import { RecordCalendar } from '@/object-record/record-calendar/components/RecordCalendar';
 import { RecordCalendarContextProvider } from '@/object-record/record-calendar/contexts/RecordCalendarContext';
 import { RecordCalendarComponentInstanceContext } from '@/object-record/record-calendar/states/contexts/RecordCalendarComponentInstanceContext';
 import { useRecordIndexContextOrThrow } from '@/object-record/record-index/contexts/RecordIndexContext';
@@ -38,7 +39,7 @@ export const RecordIndexCalendarContainer = ({
           objectPermissions,
         }}
       >
-        Calendar View
+        <RecordCalendar />
       </RecordCalendarContextProvider>
     </RecordCalendarComponentInstanceContext.Provider>
   );