At 5:19pm the bells of the church can be heard, for the mass of 5:30pm in Santa Maria Novella church. Also de murmur of people on the square can be notice. The sound of the bell can be heard from other streets near by not only in the square. Piazza Santa Maria Novella is a very open space so the bells can be heard really well with out any restriction. I felt calmness and tranquility when with sound of the bells and knew mass was going to start. I am catholic, so for me the bells always call me to mass automatically.