9:00 PM · Rute Martins (organ), Manuela Moniz (soprano) and Carla Antunes (flute) play Bach, Vivaldi and Seixas for the Algarve International Organ Festival. Free entry. · Tickets / event listing ↗
6:30 PM · Violin, cello and piano trio recital in the Festival de Música Manuel Teixeira Gomes. One source also lists the Museu de Portimão auditorium as an alternate room. Free entry.
6:30 PM · Closing concert of the Festival de Música Manuel Teixeira Gomes, on Portimão's city-day holiday. String quartet repertoire from the classical period to contemporary works. Free entry.