diff --git a/homeassistant/components/bosch_alarm/services.py b/homeassistant/components/bosch_alarm/services.py
index d9d6a1339a2..5d9a5f5645f 100644
--- a/homeassistant/components/bosch_alarm/services.py
+++ b/homeassistant/components/bosch_alarm/services.py
@@ -38,36 +38,37 @@ SET_DATE_TIME_SCHEMA = vol.Schema(
 )
 
 
+async def async_set_panel_date(call: ServiceCall) -> None:
+    """Set the date and time on a bosch alarm panel."""
+    config_entry: BoschAlarmConfigEntry | None
+    value: dt.datetime = call.data.get(ATTR_DATETIME, dt_util.now())
+    entry_id = call.data[ATTR_CONFIG_ENTRY_ID]
+    if not (config_entry := call.hass.config_entries.async_get_entry(entry_id)):
+        raise ServiceValidationError(
+            translation_domain=DOMAIN,
+            translation_key="integration_not_found",
+            translation_placeholders={"target": entry_id},
+        )
+    if config_entry.state is not ConfigEntryState.LOADED:
+        raise HomeAssistantError(
+            translation_domain=DOMAIN,
+            translation_key="not_loaded",
+            translation_placeholders={"target": config_entry.title},
+        )
+    panel = config_entry.runtime_data
+    try:
+        await panel.set_panel_date(value)
+    except asyncio.InvalidStateError as err:
+        raise HomeAssistantError(
+            translation_domain=DOMAIN,
+            translation_key="connection_error",
+            translation_placeholders={"target": config_entry.title},
+        ) from err
+
+
 def setup_services(hass: HomeAssistant) -> None:
     """Set up the services for the bosch alarm integration."""
 
-    async def async_set_panel_date(call: ServiceCall) -> None:
-        """Set the date and time on a bosch alarm panel."""
-        config_entry: BoschAlarmConfigEntry | None
-        value: dt.datetime = call.data.get(ATTR_DATETIME, dt_util.now())
-        entry_id = call.data[ATTR_CONFIG_ENTRY_ID]
-        if not (config_entry := hass.config_entries.async_get_entry(entry_id)):
-            raise ServiceValidationError(
-                translation_domain=DOMAIN,
-                translation_key="integration_not_found",
-                translation_placeholders={"target": entry_id},
-            )
-        if config_entry.state is not ConfigEntryState.LOADED:
-            raise HomeAssistantError(
-                translation_domain=DOMAIN,
-                translation_key="not_loaded",
-                translation_placeholders={"target": config_entry.title},
-            )
-        panel = config_entry.runtime_data
-        try:
-            await panel.set_panel_date(value)
-        except asyncio.InvalidStateError as err:
-            raise HomeAssistantError(
-                translation_domain=DOMAIN,
-                translation_key="connection_error",
-                translation_placeholders={"target": config_entry.title},
-            ) from err
-
     hass.services.async_register(
         DOMAIN,
         SERVICE_SET_DATE_TIME,