Rural atmosphere reigns in Santo Tomás festivity, which is the day that marks the start of Christmas time. Many towns in the Basque Country celebrate this special day. Mostly in San Sebastián, Bilbao, Azpeitia, Lekeitio, Errenteria, Irun, Hondarribia, Usurbil and Arrasate/Mondragón. Most towns celebrate it on December 21st. In Arrasate/Mondragón, where it also takes place on the 22nd and they named it as “Santamasak”.