Check into a budget hotel in the 10th/11th, Latin Quarter or near Gare du Nord — recommended: Generator Paris, Ibis Budget La Villette or small private hotels for affordability.
Stroll around Île de la Cité, view Notre-Dame exterior and visit Sainte-Chapelle for stunning stained glass (usually open 9:00am–7:00pm; check current times).
Relax in the Tuileries then visit Musée de l'Orangerie for Monet’s Water Lilies (opening times typically 9:00/9:30am–6:00pm); book ahead where possible.
Attend Sunday Mass once this week at a central parish such as Église Saint-Augustin or a local church near your hotel; main Mass times typically around 9:30–11:30am — check the parish website for exact time.
Spend the afternoon in Disney Village (shops, entertainment and restaurants). Admission to the Village is free; opening hours vary by season but often 10:00am–late.
Attend Sunday Mass once this week at Église Saint-Jean-Baptiste de Chessy (close to the parks); typical Sunday morning times around 10:00–11:30am — check parish schedule for exact time.
Choose Giverny to see Monet’s gardens (opens around 9:30am–6:00pm) or Fontainebleau for the château and forest; train + shuttle or direct train depending on your choice.
Choose a cathedral day trip and attend Sunday Mass once this week — Chartres Cathedral or Reims Cathedral both offer meaningful worship and stunning architecture (check parish timetables).
Keep the day flexible to revisit favourites, run errands, meet friends or attend weekday Mass if you wish (weekly Mass requirement is fulfilled by Sunday services).