For your stay in Buenos Aires it is advisable to be familiar with the following items:
Working hours. From Monday to Friday from 9.00am to 6.00pm.
Lunch/Dinner: 01:00pm and dinner at 09.00pm.
Bank Hours: from 10.00am to 03.00pm
ATM’s: 24 hours.
Tourists Banks: Banco Ciudad: 675 Cordoba Av. You can buy or sell dollars, as well as euros and travellers checks. Bank hours are 10.00am to 06.00pm on Mondays, 10.00am to 05.00pm from Tuesdays to Fridays and 11.00am to 06.00pm on Saturdays and Sundays
Shopping Centers: Monday to Sunday from 10.00am to 10.00pm
Supermarkets: Mondays to Sundays from 09.00am to 10.00pm
Shops/Stores: Monday to Friday from 09.00am to 08.00pm and Saturdays from 09.00am to 01.00pm