diff --git a/homeassistant/components/jewish_calendar/__init__.py b/homeassistant/components/jewish_calendar/__init__.py
index 6b58b9441b0..47d60d74938 100644
--- a/homeassistant/components/jewish_calendar/__init__.py
+++ b/homeassistant/components/jewish_calendar/__init__.py
@@ -16,7 +16,8 @@ from homeassistant.const import (
     Platform,
 )
 from homeassistant.core import HomeAssistant, callback
-from homeassistant.helpers import entity_registry as er
+from homeassistant.helpers import config_validation as cv, entity_registry as er
+from homeassistant.helpers.typing import ConfigType
 
 from .const import (
     CONF_CANDLE_LIGHT_MINUTES,
@@ -26,11 +27,21 @@ from .const import (
     DEFAULT_DIASPORA,
     DEFAULT_HAVDALAH_OFFSET_MINUTES,
     DEFAULT_LANGUAGE,
+    DOMAIN,
 )
 from .entity import JewishCalendarConfigEntry, JewishCalendarData
+from .service import async_setup_services
 
 _LOGGER = logging.getLogger(__name__)
 PLATFORMS: list[Platform] = [Platform.BINARY_SENSOR, Platform.SENSOR]
+CONFIG_SCHEMA = cv.config_entry_only_config_schema(DOMAIN)
+
+
+async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
+    """Set up the Jewish Calendar service."""
+    async_setup_services(hass)
+
+    return True
 
 
 async def async_setup_entry(
diff --git a/homeassistant/components/jewish_calendar/const.py b/homeassistant/components/jewish_calendar/const.py
index 4af76a8927b..0d5455fcd86 100644
--- a/homeassistant/components/jewish_calendar/const.py
+++ b/homeassistant/components/jewish_calendar/const.py
@@ -2,6 +2,9 @@
 
 DOMAIN = "jewish_calendar"
 
+ATTR_DATE = "date"
+ATTR_NUSACH = "nusach"
+
 CONF_DIASPORA = "diaspora"
 CONF_CANDLE_LIGHT_MINUTES = "candle_lighting_minutes_before_sunset"
 CONF_HAVDALAH_OFFSET_MINUTES = "havdalah_minutes_after_sunset"
@@ -11,3 +14,5 @@ DEFAULT_CANDLE_LIGHT = 18
 DEFAULT_DIASPORA = False
 DEFAULT_HAVDALAH_OFFSET_MINUTES = 0
 DEFAULT_LANGUAGE = "english"
+
+SERVICE_COUNT_OMER = "count_omer"
diff --git a/homeassistant/components/jewish_calendar/icons.json b/homeassistant/components/jewish_calendar/icons.json
new file mode 100644
index 00000000000..24b922df7a2
--- /dev/null
+++ b/homeassistant/components/jewish_calendar/icons.json
@@ -0,0 +1,7 @@
+{
+  "services": {
+    "count_omer": {
+      "service": "mdi:counter"
+    }
+  }
+}
diff --git a/homeassistant/components/jewish_calendar/service.py b/homeassistant/components/jewish_calendar/service.py
new file mode 100644
index 00000000000..7c3c7a21f1c
--- /dev/null
+++ b/homeassistant/components/jewish_calendar/service.py
@@ -0,0 +1,63 @@
+"""Services for Jewish Calendar."""
+
+import datetime
+from typing import cast
+
+from hdate import HebrewDate
+from hdate.omer import Nusach, Omer
+from hdate.translator import Language
+import voluptuous as vol
+
+from homeassistant.const import CONF_LANGUAGE
+from homeassistant.core import (
+    HomeAssistant,
+    ServiceCall,
+    ServiceResponse,
+    SupportsResponse,
+)
+from homeassistant.helpers import config_validation as cv
+from homeassistant.helpers.selector import LanguageSelector, LanguageSelectorConfig
+
+from .const import ATTR_DATE, ATTR_NUSACH, DOMAIN, SERVICE_COUNT_OMER
+
+SUPPORTED_LANGUAGES = {"en": "english", "fr": "french", "he": "hebrew"}
+OMER_SCHEMA = vol.Schema(
+    {
+        vol.Required(ATTR_DATE, default=datetime.date.today): cv.date,
+        vol.Required(ATTR_NUSACH, default="sfarad"): vol.In(
+            [nusach.name.lower() for nusach in Nusach]
+        ),
+        vol.Required(CONF_LANGUAGE, default="he"): LanguageSelector(
+            LanguageSelectorConfig(languages=list(SUPPORTED_LANGUAGES.keys()))
+        ),
+    }
+)
+
+
+def async_setup_services(hass: HomeAssistant) -> None:
+    """Set up the Jewish Calendar services."""
+
+    async def get_omer_count(call: ServiceCall) -> ServiceResponse:
+        """Return the Omer blessing for a given date."""
+        hebrew_date = HebrewDate.from_gdate(call.data["date"])
+        nusach = Nusach[call.data["nusach"].upper()]
+
+        # Currently Omer only supports Hebrew, English, and French and requires
+        # the full language name
+        language = cast(Language, SUPPORTED_LANGUAGES[call.data[CONF_LANGUAGE]])
+
+        omer = Omer(date=hebrew_date, nusach=nusach, language=language)
+        return {
+            "message": str(omer.count_str()),
+            "weeks": omer.week,
+            "days": omer.day,
+            "total_days": omer.total_days,
+        }
+
+    hass.services.async_register(
+        DOMAIN,
+        SERVICE_COUNT_OMER,
+        get_omer_count,
+        schema=OMER_SCHEMA,
+        supports_response=SupportsResponse.ONLY,
+    )
diff --git a/homeassistant/components/jewish_calendar/services.yaml b/homeassistant/components/jewish_calendar/services.yaml
new file mode 100644
index 00000000000..b0fa2cfef6c
--- /dev/null
+++ b/homeassistant/components/jewish_calendar/services.yaml
@@ -0,0 +1,28 @@
+count_omer:
+  fields:
+    date:
+      required: true
+      example: "2025-04-14"
+      selector:
+        date:
+    nusach:
+      example: "sfarad"
+      default: "sfarad"
+      selector:
+        select:
+          translation_key: "nusach"
+          options:
+            - "sfarad"
+            - "ashkenaz"
+            - "adot_mizrah"
+            - "italian"
+    language:
+      required: true
+      default: "he"
+      example: "he"
+      selector:
+        language:
+          languages:
+            - "en"
+            - "he"
+            - "fr"
diff --git a/homeassistant/components/jewish_calendar/strings.json b/homeassistant/components/jewish_calendar/strings.json
index 1b7b86c0056..41e666b1e5d 100644
--- a/homeassistant/components/jewish_calendar/strings.json
+++ b/homeassistant/components/jewish_calendar/strings.json
@@ -45,5 +45,35 @@
         }
       }
     }
+  },
+  "selector": {
+    "nusach": {
+      "options": {
+        "sfarad": "Sfarad",
+        "ashkenaz": "Ashkenaz",
+        "adot_mizrah": "Adot Mizrah",
+        "italian": "Italian"
+      }
+    }
+  },
+  "services": {
+    "count_omer": {
+      "name": "Count the Omer",
+      "description": "Returns the phrase for counting the Omer on a given date.",
+      "fields": {
+        "date": {
+          "name": "Date",
+          "description": "Date to count the Omer for."
+        },
+        "nusach": {
+          "name": "Nusach",
+          "description": "Nusach to count the Omer in."
+        },
+        "language": {
+          "name": "Language",
+          "description": "Language to count the Omer in."
+        }
+      }
+    }
   }
 }
diff --git a/tests/components/jewish_calendar/test_service.py b/tests/components/jewish_calendar/test_service.py
new file mode 100644
index 00000000000..9eb80e5e7f0
--- /dev/null
+++ b/tests/components/jewish_calendar/test_service.py
@@ -0,0 +1,55 @@
+"""Test jewish calendar service."""
+
+import datetime as dt
+
+from hdate.translator import Language
+import pytest
+
+from homeassistant.components.jewish_calendar.const import DOMAIN
+from homeassistant.core import HomeAssistant
+
+from tests.common import MockConfigEntry
+
+
+@pytest.mark.parametrize(
+    ("test_date", "nusach", "language", "expected"),
+    [
+        pytest.param(dt.date(2025, 3, 20), "sfarad", "he", "", id="no_blessing"),
+        pytest.param(
+            dt.date(2025, 5, 20),
+            "ashkenaz",
+            "he",
+            "היום שבעה ושלושים יום שהם חמישה שבועות ושני ימים בעומר",
+            id="ahskenaz-hebrew",
+        ),
+        pytest.param(
+            dt.date(2025, 5, 20),
+            "sfarad",
+            "en",
+            "Today is the thirty-seventh day, which are five weeks and two days of the Omer",
+            id="sefarad-english",
+        ),
+    ],
+)
+async def test_get_omer_blessing(
+    hass: HomeAssistant,
+    mock_config_entry: MockConfigEntry,
+    test_date: dt.date,
+    nusach: str,
+    language: Language,
+    expected: str,
+) -> None:
+    """Test get omer blessing."""
+    mock_config_entry.add_to_hass(hass)
+    await hass.config_entries.async_setup(mock_config_entry.entry_id)
+    await hass.async_block_till_done()
+
+    result = await hass.services.async_call(
+        DOMAIN,
+        "count_omer",
+        {"date": test_date, "nusach": nusach, "language": language},
+        blocking=True,
+        return_response=True,
+    )
+
+    assert result["message"] == expected