diff --git a/homeassistant/helpers/event.py b/homeassistant/helpers/event.py
index aa2df4b0ace..bf00a0264a7 100644
--- a/homeassistant/helpers/event.py
+++ b/homeassistant/helpers/event.py
@@ -615,10 +615,10 @@ def async_track_utc_time_change(
         now = pattern_utc_now()
         hass.async_run_job(action, dt_util.as_local(now) if local else now)
 
-        if next_time <= now:
-            next_time = calculate_next(now + timedelta(seconds=1))
-        else:
-            next_time = calculate_next(now)
+        # We only want second level precision for time patterns
+        # as we do not want to fire them multiple times in
+        # the same second.
+        next_time = calculate_next(now + timedelta(seconds=1))
 
         cancel_callback = hass.loop.call_at(
             hass.loop.time() + next_time.timestamp() - time.time(),