diff --git a/homeassistant/components/workday/calendar.py b/homeassistant/components/workday/calendar.py
new file mode 100644
index 00000000000..57aa9f99bfb
--- /dev/null
+++ b/homeassistant/components/workday/calendar.py
@@ -0,0 +1,98 @@
+"""Workday Calendar."""
+
+from __future__ import annotations
+
+from datetime import datetime, timedelta
+
+from holidays import HolidayBase
+
+from homeassistant.components.calendar import CalendarEntity, CalendarEvent
+from homeassistant.const import CONF_NAME
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
+
+from . import WorkdayConfigEntry
+from .const import CONF_EXCLUDES, CONF_OFFSET, CONF_WORKDAYS
+from .entity import BaseWorkdayEntity
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    entry: WorkdayConfigEntry,
+    async_add_entities: AddConfigEntryEntitiesCallback,
+) -> None:
+    """Set up the Holiday Calendar config entry."""
+    days_offset: int = int(entry.options[CONF_OFFSET])
+    excludes: list[str] = entry.options[CONF_EXCLUDES]
+    sensor_name: str = entry.options[CONF_NAME]
+    workdays: list[str] = entry.options[CONF_WORKDAYS]
+    obj_holidays = entry.runtime_data
+
+    async_add_entities(
+        [
+            WorkdayCalendarEntity(
+                obj_holidays,
+                workdays,
+                excludes,
+                days_offset,
+                sensor_name,
+                entry.entry_id,
+            )
+        ],
+    )
+
+
+class WorkdayCalendarEntity(BaseWorkdayEntity, CalendarEntity):
+    """Representation of a Wokrday Calendar."""
+
+    def __init__(
+        self,
+        obj_holidays: HolidayBase,
+        workdays: list[str],
+        excludes: list[str],
+        days_offset: int,
+        name: str,
+        entry_id: str,
+    ) -> None:
+        """Initialize WorkdayCalendarEntity."""
+        super().__init__(
+            obj_holidays,
+            workdays,
+            excludes,
+            days_offset,
+            name,
+            entry_id,
+        )
+        self._attr_unique_id = f"{entry_id}-calender"
+        self._attr_event = None
+        self.event_list: list[CalendarEvent] = []
+        self._name = name
+
+    def update_data(self, now: datetime) -> None:
+        """Update data."""
+        event_list = []
+        for i in range(365):
+            future_date = now.date() + timedelta(days=i)
+            if self.date_is_workday(future_date):
+                event = CalendarEvent(
+                    summary=self._name,
+                    start=future_date,
+                    end=future_date,
+                )
+                event_list.append(event)
+        self.event_list = event_list
+
+    @property
+    def event(self) -> CalendarEvent | None:
+        """Return the next upcoming event."""
+        return (
+            sorted(self.event_list, key=lambda e: e.start)[0]
+            if self.event_list
+            else None
+        )
+
+    async def async_get_events(
+        self, hass: HomeAssistant, start_date: datetime, end_date: datetime
+    ) -> list[CalendarEvent]:
+        """Get all events in a specific time frame."""
+        return self.event_list
diff --git a/homeassistant/components/workday/const.py b/homeassistant/components/workday/const.py
index 76580ae642f..e8a6656d9e2 100644
--- a/homeassistant/components/workday/const.py
+++ b/homeassistant/components/workday/const.py
@@ -11,7 +11,7 @@ LOGGER = logging.getLogger(__package__)
 ALLOWED_DAYS = [*WEEKDAYS, "holiday"]
 
 DOMAIN = "workday"
-PLATFORMS = [Platform.BINARY_SENSOR]
+PLATFORMS = [Platform.BINARY_SENSOR, Platform.CALENDAR]
 
 CONF_PROVINCE = "province"
 CONF_WORKDAYS = "workdays"
diff --git a/homeassistant/components/workday/strings.json b/homeassistant/components/workday/strings.json
index feedc52331b..e78ece25c21 100644
--- a/homeassistant/components/workday/strings.json
+++ b/homeassistant/components/workday/strings.json
@@ -212,6 +212,11 @@
           }
         }
       }
+    },
+    "calendar": {
+      "workday": {
+        "name": "[%key:component::calendar::title%]"
+      }
     }
   },
   "services": {
diff --git a/tests/components/workday/test_calendar.py b/tests/components/workday/test_calendar.py
new file mode 100644
index 00000000000..1ddf4611b35
--- /dev/null
+++ b/tests/components/workday/test_calendar.py
@@ -0,0 +1,79 @@
+"""Tests for calendar platform of Workday integration."""
+
+from datetime import datetime, timedelta
+
+from freezegun.api import FrozenDateTimeFactory
+import pytest
+
+from homeassistant.components.calendar import (
+    DOMAIN as CALENDAR_DOMAIN,
+    SERVICE_GET_EVENTS,
+)
+from homeassistant.core import HomeAssistant
+from homeassistant.setup import async_setup_component
+from homeassistant.util import dt as dt_util
+
+from . import TEST_CONFIG_WITH_PROVINCE, init_integration
+
+from tests.common import async_fire_time_changed
+
+
+@pytest.mark.parametrize(
+    "time_zone", ["Asia/Tokyo", "Europe/Berlin", "America/Chicago", "US/Hawaii"]
+)
+async def test_holiday_calendar_entity(
+    hass: HomeAssistant,
+    freezer: FrozenDateTimeFactory,
+    time_zone: str,
+) -> None:
+    """Test HolidayCalendarEntity functionality."""
+    await hass.config.async_set_time_zone(time_zone)
+    zone = await dt_util.async_get_time_zone(time_zone)
+    freezer.move_to(datetime(2023, 1, 1, 0, 1, 1, tzinfo=zone))  # New Years Day
+    await init_integration(hass, TEST_CONFIG_WITH_PROVINCE)
+
+    await async_setup_component(hass, "calendar", {})
+    await hass.async_block_till_done()
+
+    response = await hass.services.async_call(
+        CALENDAR_DOMAIN,
+        SERVICE_GET_EVENTS,
+        {
+            "entity_id": "calendar.workday_sensor_calendar",
+            "end_date_time": dt_util.now() + timedelta(hours=1),
+        },
+        blocking=True,
+        return_response=True,
+    )
+    assert {
+        "end": "2023-01-01",
+        "start": "2023-01-02",
+        "summary": "Workday Sensor",
+    } not in response["calendar.workday_sensor_calendar"]["events"]
+    assert {
+        "end": "2023-01-04",
+        "start": "2023-01-03",
+        "summary": "Workday Sensor",
+    } in response["calendar.workday_sensor_calendar"]["events"]
+
+    state = hass.states.get("calendar.workday_sensor_calendar")
+    assert state is not None
+    assert state.state == "off"
+
+    freezer.move_to(
+        datetime(2023, 1, 2, 0, 1, 1, tzinfo=zone)
+    )  # Day after New Years Day
+    async_fire_time_changed(hass)
+    await hass.async_block_till_done()
+
+    state = hass.states.get("calendar.workday_sensor_calendar")
+    assert state is not None
+    assert state.state == "on"
+
+    freezer.move_to(datetime(2023, 1, 7, 0, 1, 1, tzinfo=zone))  # Workday
+    async_fire_time_changed(hass)
+    await hass.async_block_till_done()
+
+    state = hass.states.get("calendar.workday_sensor_calendar")
+    assert state is not None
+    assert state.state == "off"