diff --git a/homeassistant/components/onvif/device.py b/homeassistant/components/onvif/device.py
index eec270d5b94..39f37eb02e4 100644
--- a/homeassistant/components/onvif/device.py
+++ b/homeassistant/components/onvif/device.py
@@ -100,16 +100,6 @@ class ONVIFDevice:
             if self.capabilities.ptz:
                 self.device.create_ptz_service()
 
-            if self._dt_diff_seconds > 300 and self.capabilities.events:
-                self.capabilities.events = False
-                LOGGER.warning(
-                    "The system clock on '%s' is more than 5 minutes off. "
-                    "Although this device supports events, they will be "
-                    "disabled until the device clock is fixed as we will "
-                    "not be able to renew the subscription.",
-                    self.name,
-                )
-
             if self.capabilities.events:
                 self.events = EventManager(
                     self.hass, self.device, self.config_entry.unique_id
diff --git a/homeassistant/components/onvif/event.py b/homeassistant/components/onvif/event.py
index 3888db4fa8e..9084a06e7db 100644
--- a/homeassistant/components/onvif/event.py
+++ b/homeassistant/components/onvif/event.py
@@ -107,7 +107,9 @@ class EventManager:
         if not self._subscription:
             return
 
-        termination_time = (dt_util.utcnow() + dt.timedelta(minutes=30)).isoformat()
+        termination_time = (
+            (dt_util.utcnow() + dt.timedelta(days=1)).replace(microsecond=0).isoformat()
+        )
         await self._subscription.Renew(termination_time)
 
     async def async_pull_messages(self, _now: dt = None) -> None:
@@ -119,8 +121,10 @@ class EventManager:
             req.Timeout = dt.timedelta(seconds=60)
             response = await pullpoint.PullMessages(req)
 
-            # Renew subscription if less than 60 seconds left
-            if (response.TerminationTime - dt_util.utcnow()).total_seconds() < 60:
+            # Renew subscription if less than two hours is left
+            if (
+                dt_util.as_utc(response.TerminationTime) - dt_util.utcnow()
+            ).total_seconds() < 7200:
                 await self.async_renew()
 
             # Parse response