diff --git a/homeassistant/components/moehlenhoff_alpha2/button.py b/homeassistant/components/moehlenhoff_alpha2/button.py
index 44dbd08ffcd..c637909417c 100644
--- a/homeassistant/components/moehlenhoff_alpha2/button.py
+++ b/homeassistant/components/moehlenhoff_alpha2/button.py
@@ -6,7 +6,7 @@ from homeassistant.const import EntityCategory
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.update_coordinator import CoordinatorEntity
-from homeassistant.util import dt
+from homeassistant.util import dt as dt_util
 
 from . import Alpha2BaseCoordinator
 from .const import DOMAIN
@@ -38,4 +38,4 @@ class Alpha2TimeSyncButton(CoordinatorEntity[Alpha2BaseCoordinator], ButtonEntit
 
     async def async_press(self) -> None:
         """Synchronize current local time from HA instance to base station."""
-        await self.coordinator.base.set_datetime(dt.now())
+        await self.coordinator.base.set_datetime(dt_util.now())
diff --git a/homeassistant/components/mqtt_room/sensor.py b/homeassistant/components/mqtt_room/sensor.py
index 00441690b47..1b4cdb1c583 100644
--- a/homeassistant/components/mqtt_room/sensor.py
+++ b/homeassistant/components/mqtt_room/sensor.py
@@ -23,7 +23,7 @@ from homeassistant.core import HomeAssistant, callback
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
-from homeassistant.util import dt, slugify
+from homeassistant.util import dt as dt_util, slugify
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -122,7 +122,7 @@ class MQTTRoomSensor(SensorEntity):
             """Update the sensor state."""
             self._state = room
             self._distance = distance
-            self._updated = dt.utcnow()
+            self._updated = dt_util.utcnow()
 
             self.async_write_ha_state()
 
@@ -144,7 +144,7 @@ class MQTTRoomSensor(SensorEntity):
                     # device is in the same room OR
                     # device is closer to another room OR
                     # last update from other room was too long ago
-                    timediff = dt.utcnow() - self._updated
+                    timediff = dt_util.utcnow() - self._updated
                     if (
                         device.get(ATTR_ROOM) == self._state
                         or device.get(ATTR_DISTANCE) < self._distance
@@ -174,7 +174,7 @@ class MQTTRoomSensor(SensorEntity):
         if (
             self._updated
             and self._consider_home
-            and dt.utcnow() - self._updated > self._consider_home
+            and dt_util.utcnow() - self._updated > self._consider_home
         ):
             self._state = STATE_NOT_HOME
 
diff --git a/homeassistant/components/nobo_hub/climate.py b/homeassistant/components/nobo_hub/climate.py
index 7cb69dfb79a..d1661dce0fa 100644
--- a/homeassistant/components/nobo_hub/climate.py
+++ b/homeassistant/components/nobo_hub/climate.py
@@ -28,7 +28,7 @@ from homeassistant.const import (
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.entity import DeviceInfo
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
-from homeassistant.util import dt
+from homeassistant.util import dt as dt_util
 
 from .const import (
     ATTR_SERIAL,
@@ -158,7 +158,7 @@ class NoboZone(ClimateEntity):
     @callback
     def _read_state(self) -> None:
         """Read the current state from the hub. These are only local calls."""
-        state = self._nobo.get_current_zone_mode(self._id, dt.now())
+        state = self._nobo.get_current_zone_mode(self._id, dt_util.now())
         self._attr_hvac_mode = HVACMode.AUTO
         self._attr_preset_mode = PRESET_NONE
 
diff --git a/homeassistant/components/openweathermap/weather_update_coordinator.py b/homeassistant/components/openweathermap/weather_update_coordinator.py
index 90e2c426d27..4602615769a 100644
--- a/homeassistant/components/openweathermap/weather_update_coordinator.py
+++ b/homeassistant/components/openweathermap/weather_update_coordinator.py
@@ -12,7 +12,7 @@ from homeassistant.components.weather import (
 from homeassistant.const import UnitOfTemperature
 from homeassistant.helpers import sun
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
-from homeassistant.util import dt
+from homeassistant.util import dt as dt_util
 from homeassistant.util.unit_conversion import TemperatureConverter
 
 from .const import (
@@ -159,7 +159,7 @@ class WeatherUpdateCoordinator(DataUpdateCoordinator):
     def _convert_forecast(self, entry):
         """Convert the forecast data."""
         forecast = {
-            ATTR_API_FORECAST_TIME: dt.utc_from_timestamp(
+            ATTR_API_FORECAST_TIME: dt_util.utc_from_timestamp(
                 entry.reference_time("unix")
             ).isoformat(),
             ATTR_API_FORECAST_PRECIPITATION: self._calc_precipitation(
@@ -252,7 +252,7 @@ class WeatherUpdateCoordinator(DataUpdateCoordinator):
         """Get weather condition from weather data."""
         if weather_code == WEATHER_CODE_SUNNY_OR_CLEAR_NIGHT:
             if timestamp:
-                timestamp = dt.utc_from_timestamp(timestamp)
+                timestamp = dt_util.utc_from_timestamp(timestamp)
 
             if sun.is_up(self.hass, timestamp):
                 return ATTR_CONDITION_SUNNY
diff --git a/tests/components/knx/test_binary_sensor.py b/tests/components/knx/test_binary_sensor.py
index 61b7247037e..47715433a52 100644
--- a/tests/components/knx/test_binary_sensor.py
+++ b/tests/components/knx/test_binary_sensor.py
@@ -12,7 +12,7 @@ from homeassistant.const import (
 )
 from homeassistant.core import HomeAssistant, State
 from homeassistant.helpers import entity_registry as er
-from homeassistant.util import dt
+from homeassistant.util import dt as dt_util
 
 from .conftest import KNXTestKit
 
@@ -147,7 +147,7 @@ async def test_binary_sensor_ignore_internal_state(
 
 async def test_binary_sensor_counter(hass: HomeAssistant, knx: KNXTestKit) -> None:
     """Test KNX binary_sensor with context timeout."""
-    async_fire_time_changed(hass, dt.utcnow())
+    async_fire_time_changed(hass, dt_util.utcnow())
     context_timeout = 1
 
     await knx.setup_integration(
@@ -172,7 +172,7 @@ async def test_binary_sensor_counter(hass: HomeAssistant, knx: KNXTestKit) -> No
     state = hass.states.get("binary_sensor.test")
     assert state.state is STATE_OFF
     assert state.attributes.get("counter") == 0
-    async_fire_time_changed(hass, dt.utcnow() + timedelta(seconds=context_timeout))
+    async_fire_time_changed(hass, dt_util.utcnow() + timedelta(seconds=context_timeout))
     await hass.async_block_till_done()
     await knx.xknx.task_registry.block_till_done()
     # state changed twice after context timeout - once to ON with counter 1 and once to counter 0
@@ -196,7 +196,7 @@ async def test_binary_sensor_counter(hass: HomeAssistant, knx: KNXTestKit) -> No
     state = hass.states.get("binary_sensor.test")
     assert state.state is STATE_ON
     assert state.attributes.get("counter") == 0
-    async_fire_time_changed(hass, dt.utcnow() + timedelta(seconds=context_timeout))
+    async_fire_time_changed(hass, dt_util.utcnow() + timedelta(seconds=context_timeout))
     await knx.xknx.task_registry.block_till_done()
     await hass.async_block_till_done()
     state = hass.states.get("binary_sensor.test")
@@ -213,7 +213,7 @@ async def test_binary_sensor_counter(hass: HomeAssistant, knx: KNXTestKit) -> No
 
 async def test_binary_sensor_reset(hass: HomeAssistant, knx: KNXTestKit) -> None:
     """Test KNX binary_sensor with reset_after function."""
-    async_fire_time_changed(hass, dt.utcnow())
+    async_fire_time_changed(hass, dt_util.utcnow())
 
     await knx.setup_integration(
         {
@@ -233,7 +233,7 @@ async def test_binary_sensor_reset(hass: HomeAssistant, knx: KNXTestKit) -> None
     await hass.async_block_till_done()
     state = hass.states.get("binary_sensor.test")
     assert state.state is STATE_ON
-    async_fire_time_changed(hass, dt.utcnow() + timedelta(seconds=1))
+    async_fire_time_changed(hass, dt_util.utcnow() + timedelta(seconds=1))
     await hass.async_block_till_done()
     await hass.async_block_till_done()
     # state reset after after timeout
diff --git a/tests/components/knx/test_button.py b/tests/components/knx/test_button.py
index eb3fee7eaf5..3e8519feb98 100644
--- a/tests/components/knx/test_button.py
+++ b/tests/components/knx/test_button.py
@@ -13,7 +13,7 @@ from homeassistant.components.knx.const import (
 from homeassistant.components.knx.schema import ButtonSchema
 from homeassistant.const import CONF_NAME, CONF_TYPE
 from homeassistant.core import HomeAssistant
-from homeassistant.util import dt
+from homeassistant.util import dt as dt_util
 
 from .conftest import KNXTestKit
 
@@ -42,7 +42,7 @@ async def test_button_simple(hass: HomeAssistant, knx: KNXTestKit) -> None:
 
     # received telegrams on button GA are ignored by the entity
     old_state = hass.states.get("button.test")
-    async_fire_time_changed(hass, dt.utcnow() + timedelta(seconds=3))
+    async_fire_time_changed(hass, dt_util.utcnow() + timedelta(seconds=3))
     await knx.receive_write("1/2/3", False)
     await knx.receive_write("1/2/3", True)
     new_state = hass.states.get("button.test")
diff --git a/tests/components/knx/test_expose.py b/tests/components/knx/test_expose.py
index bec76f29eec..ca3fc5c7f58 100644
--- a/tests/components/knx/test_expose.py
+++ b/tests/components/knx/test_expose.py
@@ -9,7 +9,7 @@ from homeassistant.components.knx import CONF_KNX_EXPOSE, DOMAIN, KNX_ADDRESS
 from homeassistant.components.knx.schema import ExposeSchema
 from homeassistant.const import CONF_ATTRIBUTE, CONF_ENTITY_ID, CONF_TYPE
 from homeassistant.core import HomeAssistant
-from homeassistant.util import dt
+from homeassistant.util import dt as dt_util
 
 from .conftest import KNXTestKit
 
@@ -192,7 +192,9 @@ async def test_expose_cooldown(hass: HomeAssistant, knx: KNXTestKit) -> None:
     hass.states.async_set(entity_id, "3", {})
     await knx.assert_no_telegram()
     # Wait for cooldown to pass
-    async_fire_time_changed_exact(hass, dt.utcnow() + timedelta(seconds=cooldown_time))
+    async_fire_time_changed_exact(
+        hass, dt_util.utcnow() + timedelta(seconds=cooldown_time)
+    )
     await hass.async_block_till_done()
     await knx.assert_write("1/1/8", (3,))
 
diff --git a/tests/components/knx/test_interface_device.py b/tests/components/knx/test_interface_device.py
index 6eab80d52cb..9fb21b9f9b4 100644
--- a/tests/components/knx/test_interface_device.py
+++ b/tests/components/knx/test_interface_device.py
@@ -8,7 +8,7 @@ from homeassistant.components.knx.sensor import SCAN_INTERVAL
 from homeassistant.const import EntityCategory
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers import entity_registry as er
-from homeassistant.util import dt
+from homeassistant.util import dt as dt_util
 
 from .conftest import KNXTestKit
 
@@ -47,7 +47,7 @@ async def test_diagnostic_entities(
     knx.xknx.connection_manager.cemi_count_outgoing_error = 2
 
     events = async_capture_events(hass, "state_changed")
-    async_fire_time_changed(hass, dt.utcnow() + SCAN_INTERVAL)
+    async_fire_time_changed(hass, dt_util.utcnow() + SCAN_INTERVAL)
     await hass.async_block_till_done()
 
     assert len(events) == 3  # 5 polled sensors - 2 disabled
diff --git a/tests/components/knx/test_light.py b/tests/components/knx/test_light.py
index a445d1a6fd3..1f2f23e9cca 100644
--- a/tests/components/knx/test_light.py
+++ b/tests/components/knx/test_light.py
@@ -18,7 +18,7 @@ from homeassistant.components.light import (
 )
 from homeassistant.const import CONF_NAME, STATE_OFF, STATE_ON
 from homeassistant.core import HomeAssistant
-from homeassistant.util import dt
+from homeassistant.util import dt as dt_util
 
 from .conftest import KNXTestKit
 
@@ -764,7 +764,7 @@ async def test_light_rgbw_individual(hass: HomeAssistant, knx: KNXTestKit) -> No
     # # individual color debounce takes 0.2 seconds if not all 4 addresses received
     knx.assert_state("light.test", STATE_ON)
     async_fire_time_changed(
-        hass, dt.utcnow() + timedelta(seconds=XknxLight.DEBOUNCE_TIMEOUT)
+        hass, dt_util.utcnow() + timedelta(seconds=XknxLight.DEBOUNCE_TIMEOUT)
     )
     await knx.xknx.task_registry.block_till_done()
     knx.assert_state("light.test", STATE_OFF)
diff --git a/tests/components/kostal_plenticore/test_number.py b/tests/components/kostal_plenticore/test_number.py
index 009184a699c..dd5ba7127a8 100644
--- a/tests/components/kostal_plenticore/test_number.py
+++ b/tests/components/kostal_plenticore/test_number.py
@@ -16,7 +16,7 @@ from homeassistant.components.number import (
 from homeassistant.const import ATTR_ENTITY_ID, STATE_UNAVAILABLE
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_registry import async_get
-from homeassistant.util import dt
+from homeassistant.util import dt as dt_util
 
 from tests.common import MockConfigEntry, async_fire_time_changed
 
@@ -168,7 +168,7 @@ async def test_number_has_value(
     await hass.config_entries.async_setup(mock_config_entry.entry_id)
     await hass.async_block_till_done()
 
-    async_fire_time_changed(hass, dt.utcnow() + timedelta(seconds=3))
+    async_fire_time_changed(hass, dt_util.utcnow() + timedelta(seconds=3))
     await hass.async_block_till_done()
 
     state = hass.states.get("number.scb_battery_min_soc")
@@ -191,7 +191,7 @@ async def test_number_is_unavailable(
     await hass.config_entries.async_setup(mock_config_entry.entry_id)
     await hass.async_block_till_done()
 
-    async_fire_time_changed(hass, dt.utcnow() + timedelta(seconds=3))
+    async_fire_time_changed(hass, dt_util.utcnow() + timedelta(seconds=3))
     await hass.async_block_till_done()
 
     state = hass.states.get("number.scb_battery_min_soc")
@@ -214,7 +214,7 @@ async def test_set_value(
     await hass.config_entries.async_setup(mock_config_entry.entry_id)
     await hass.async_block_till_done()
 
-    async_fire_time_changed(hass, dt.utcnow() + timedelta(seconds=3))
+    async_fire_time_changed(hass, dt_util.utcnow() + timedelta(seconds=3))
     await hass.async_block_till_done()
 
     await hass.services.async_call(
diff --git a/tests/components/mqtt_room/test_sensor.py b/tests/components/mqtt_room/test_sensor.py
index 1d6b2980ab2..72540f49ca7 100644
--- a/tests/components/mqtt_room/test_sensor.py
+++ b/tests/components/mqtt_room/test_sensor.py
@@ -17,7 +17,7 @@ from homeassistant.const import (
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers import entity_registry as er
 from homeassistant.setup import async_setup_component
-from homeassistant.util import dt
+from homeassistant.util import dt as dt_util
 
 from tests.common import async_fire_mqtt_message
 from tests.typing import MqttMockHAClient
@@ -110,7 +110,7 @@ async def test_room_update(hass: HomeAssistant, mqtt_mock: MqttMockHAClient) ->
     await assert_state(hass, LIVING_ROOM)
     await assert_distance(hass, 1)
 
-    time = dt.utcnow() + datetime.timedelta(seconds=7)
+    time = dt_util.utcnow() + datetime.timedelta(seconds=7)
     with patch("homeassistant.helpers.condition.dt_util.utcnow", return_value=time):
         await send_message(hass, BEDROOM_TOPIC, FAR_MESSAGE)
         await assert_state(hass, BEDROOM)
diff --git a/tests/components/nest/test_api.py b/tests/components/nest/test_api.py
index 422f1fe6269..91975f3559f 100644
--- a/tests/components/nest/test_api.py
+++ b/tests/components/nest/test_api.py
@@ -14,7 +14,7 @@ import pytest
 
 from homeassistant.components.nest.const import API_URL, OAUTH2_TOKEN, SDM_SCOPES
 from homeassistant.core import HomeAssistant
-from homeassistant.util import dt
+from homeassistant.util import dt as dt_util
 
 from .common import CLIENT_ID, CLIENT_SECRET, PROJECT_ID, PlatformSetup
 from .conftest import FAKE_REFRESH_TOKEN, FAKE_TOKEN
@@ -80,7 +80,7 @@ async def test_auth(
     creds = captured_creds
     assert creds.token == FAKE_TOKEN
     assert creds.refresh_token == FAKE_REFRESH_TOKEN
-    assert int(dt.as_timestamp(creds.expiry)) == int(token_expiration_time)
+    assert int(dt_util.as_timestamp(creds.expiry)) == int(token_expiration_time)
     assert creds.valid
     assert not creds.expired
     assert creds.token_uri == OAUTH2_TOKEN
@@ -157,7 +157,7 @@ async def test_auth_expired_token(
     creds = captured_creds
     assert creds.token == FAKE_TOKEN
     assert creds.refresh_token == FAKE_REFRESH_TOKEN
-    assert int(dt.as_timestamp(creds.expiry)) == int(token_expiration_time)
+    assert int(dt_util.as_timestamp(creds.expiry)) == int(token_expiration_time)
     assert not creds.valid
     assert creds.expired
     assert creds.token_uri == OAUTH2_TOKEN
diff --git a/tests/components/netatmo/test_camera.py b/tests/components/netatmo/test_camera.py
index 8334946af07..8bfe7176f5d 100644
--- a/tests/components/netatmo/test_camera.py
+++ b/tests/components/netatmo/test_camera.py
@@ -17,7 +17,7 @@ from homeassistant.components.netatmo.const import (
 from homeassistant.const import CONF_WEBHOOK_ID
 from homeassistant.core import HomeAssistant
 from homeassistant.exceptions import HomeAssistantError
-from homeassistant.util import dt
+from homeassistant.util import dt as dt_util
 
 from .common import fake_post_request, selected_platforms, simulate_webhook
 
@@ -420,7 +420,7 @@ async def test_camera_reconnect_webhook(hass: HomeAssistant, config_entry) -> No
 
         async_fire_time_changed(
             hass,
-            dt.utcnow() + timedelta(seconds=60),
+            dt_util.utcnow() + timedelta(seconds=60),
         )
         await hass.async_block_till_done()
         assert fake_post_hits >= calls
diff --git a/tests/components/netatmo/test_init.py b/tests/components/netatmo/test_init.py
index 1914380521b..f4d24e87b91 100644
--- a/tests/components/netatmo/test_init.py
+++ b/tests/components/netatmo/test_init.py
@@ -12,7 +12,7 @@ from homeassistant.components.netatmo import DOMAIN
 from homeassistant.const import CONF_WEBHOOK_ID
 from homeassistant.core import CoreState, HomeAssistant
 from homeassistant.setup import async_setup_component
-from homeassistant.util import dt
+from homeassistant.util import dt as dt_util
 
 from .common import (
     FAKE_WEBHOOK_ACTIVATION,
@@ -339,7 +339,7 @@ async def test_setup_component_with_delay(hass: HomeAssistant, config_entry) ->
 
         async_fire_time_changed(
             hass,
-            dt.utcnow() + timedelta(seconds=60),
+            dt_util.utcnow() + timedelta(seconds=60),
         )
         await hass.async_block_till_done()