Sunday will be the opening day for the 29th edition of the São Paulo Art Biennial [Wikipedia]. The event will last until 12 December and will be hosted at its usual location, the Pabellón da Bienal at the Ibirapuera Park in São Paulo.
Monday to Wednesday, from 9:00 til 19:00.
Thursdays and Fridays, from 9:00 til 22:00.
Saturdays and Sundays, from 9:00 til 19:00
Admission is free.
More information at the event’s website página oficial (in Portuguese only).