diff --git a/homeassistant/components/sensor/__init__.py b/homeassistant/components/sensor/__init__.py
index 370b36bf1f..3306bbb424 100644
--- a/homeassistant/components/sensor/__init__.py
+++ b/homeassistant/components/sensor/__init__.py
@@ -18,6 +18,7 @@ from homeassistant.const import (
     DEVICE_CLASS_CO,
     DEVICE_CLASS_CO2,
     DEVICE_CLASS_CURRENT,
+    DEVICE_CLASS_DATE,
     DEVICE_CLASS_ENERGY,
     DEVICE_CLASS_GAS,
     DEVICE_CLASS_HUMIDITY,
@@ -69,6 +70,7 @@ DEVICE_CLASSES: Final[list[str]] = [
     DEVICE_CLASS_CO,  # ppm (parts per million) Carbon Monoxide gas concentration
     DEVICE_CLASS_CO2,  # ppm (parts per million) Carbon Dioxide gas concentration
     DEVICE_CLASS_CURRENT,  # current (A)
+    DEVICE_CLASS_DATE,  # date (ISO8601)
     DEVICE_CLASS_ENERGY,  # energy (kWh, Wh)
     DEVICE_CLASS_HUMIDITY,  # % of humidity in the air
     DEVICE_CLASS_ILLUMINANCE,  # current light level (lx/lm)
diff --git a/homeassistant/const.py b/homeassistant/const.py
index 4f495e93ce..f0aec3aaa7 100644
--- a/homeassistant/const.py
+++ b/homeassistant/const.py
@@ -237,6 +237,7 @@ DEVICE_CLASS_BATTERY: Final = "battery"
 DEVICE_CLASS_CO: Final = "carbon_monoxide"
 DEVICE_CLASS_CO2: Final = "carbon_dioxide"
 DEVICE_CLASS_CURRENT: Final = "current"
+DEVICE_CLASS_DATE: Final = "date"
 DEVICE_CLASS_ENERGY: Final = "energy"
 DEVICE_CLASS_HUMIDITY: Final = "humidity"
 DEVICE_CLASS_ILLUMINANCE: Final = "illuminance"