Updated the timezone function in app.py script with the robust and recommended pytz implementation

app.py

@@ -22,17 +22,30 @@ def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return
 def get_current_time_in_timezone(timezone: str) -> str:
     """A tool that fetches the current local time in a specified timezone.
     Args:
-        timezone: A string representing a valid timezone (e.g., 'America/New_York').
+        timezone: A string representing a valid IANA timezone (e.g., 'America/New_York').
+        IANA Time Zones are standardized by the Internet Assigned Numbers Authority.
     """
     try:
-        # Create timezone object
+        # 1. Get the timezone object
         tz = pytz.timezone(timezone)
-        # Get current time in that timezone
-        local_time = datetime.datetime.now(tz).strftime("%Y-%m-%d %H:%M:%S")
-        return f"The current local time in {timezone} is: {local_time}"
+        
+        # 2. Get the current UTC time and make it timezone-aware
+        # The preferred way: Use pytz.utc.localize(datetime.utcnow()) and then astimezone()
+        utc_dt = pytz.utc.localize(datetime.datetime.utcnow())
+        
+        # 3. Convert the UTC time to the target timezone
+        local_time = utc_dt.astimezone(tz)
+        
+        # 4. Format the time
+        formatted_time = local_time.strftime("%A, %B %d, %Y at %I:%M:%S %p %Z")
+        
+        return f"The current local time in {timezone} is: {formatted_time}"
+        
+    except pytz.exceptions.UnknownTimeZoneError:
+        return f"Error: The timezone '{timezone}' is not recognized."
     except Exception as e:
-        return f"Error fetching time for timezone '{timezone}': {str(e)}"
-
+        # Catching any other execution error and returning a message instead of crashing
+        return f"An unexpected error occurred while getting the time: {e}"
 
 final_answer = FinalAnswerTool()