refactor: use system timezone

src/aura_engine/base/utils.py

@@ -54,7 +54,7 @@ class SimpleUtil:
             (datetime): The `datetime` object.
         """
         if timestamp:
-            return datetime.datetime.fromtimestamp(timestamp, datetime.UTC)
+            return datetime.datetime.fromtimestamp(timestamp)
         return None
 
     @staticmethod
@@ -69,7 +69,7 @@ class SimpleUtil:
             (String): Displaying the time
 
         """
-        return datetime.datetime.fromtimestamp(timestamp, datetime.UTC).strftime("%H:%M:%S")
+        return datetime.datetime.fromtimestamp(timestamp).strftime("%H:%M:%S")
 
     @staticmethod
     def round_seconds(dt: datetime) -> datetime: