ART INTERNATIONAL ZURICH dates its 2027 contemporary art fair 21–23 May 2027 at the Puls 5 foundry hall (Giessereihalle Puls 5) in Zurich. Official EN homepage locks day span and venue; title/hero call it the 29th Contemporary Art Fair while body still says 28th edition — dates and venue converge. Soft-window Zurich fair diversify lock.