Fix timezone to Sydney

app/__init__.py

@@ -1,7 +1,10 @@
+from datetime import datetime, timezone, timedelta
 from flask import Flask
 from app.config import Config
 from app.db import init_db, close_db
 
+SYDNEY_TZ = timezone(timedelta(hours=11))
+
 
 def create_app():
     app = Flask(__name__)
@@ -11,6 +14,15 @@ def create_app():
     init_db(app)
     app.teardown_appcontext(close_db)
 
+    # Jinja2 filter: convert UTC to Sydney time
+    @app.template_filter('sydney')
+    def sydney_time_filter(dt, fmt='%d %b %Y, %H:%M'):
+        if dt is None:
+            return ''
+        if dt.tzinfo is None:
+            dt = dt.replace(tzinfo=timezone.utc)
+        return dt.astimezone(SYDNEY_TZ).strftime(fmt)
+
     # Register blueprints
     from app.routes.auth import bp as auth_bp
     from app.routes.dashboard import bp as dashboard_bp