diff --git a/homeassistant/components/jewish_calendar/sensor.py b/homeassistant/components/jewish_calendar/sensor.py
index 7b3a3af9c11..f85ffce2a87 100644
--- a/homeassistant/components/jewish_calendar/sensor.py
+++ b/homeassistant/components/jewish_calendar/sensor.py
@@ -3,7 +3,7 @@ import logging
 
 import hdate
 
-from homeassistant.const import SUN_EVENT_SUNSET
+from homeassistant.const import DEVICE_CLASS_TIMESTAMP, SUN_EVENT_SUNSET
 from homeassistant.helpers.entity import Entity
 from homeassistant.helpers.sun import get_astral_event_date
 import homeassistant.util.dt as dt_util
@@ -150,7 +150,7 @@ class JewishCalendarTimeSensor(JewishCalendarSensor):
     @property
     def device_class(self):
         """Return the class of this sensor."""
-        return "timestamp"
+        return DEVICE_CLASS_TIMESTAMP
 
     @property
     def device_state_attributes(self):
@@ -161,6 +161,7 @@ class JewishCalendarTimeSensor(JewishCalendarSensor):
             return attrs
 
         attrs["timestamp"] = self._state.timestamp()
+        attrs["time"] = self._state.strftime("%H:%M")
 
         return attrs