Corrected update time calculation

app/main.py

@@ -9,7 +9,7 @@ import os
 from datetime import datetime, timedelta
 
 
-DEFAULT_UPDATE_INTERVAL = 12  # in hours
+DEFAULT_UPDATE_INTERVAL = 8  # in hours
 
 
 # set update interval from environment variable if available
@@ -77,7 +77,7 @@ async def read_root(request: Request, background_tasks: BackgroundTasks):
         )
 
     # how many hours since the last update
-    last_updated_hours = (datetime.now() - articles[0].date).seconds // 3600
+    last_updated_hours = int((datetime.now() - articles[0].date).total_seconds() // 3600)
 
     return templates.TemplateResponse(
         'index.html',