The crossword solution for the term 'Calendario Square' is 'DIA', which stands for 'Día' in Spanish. Día is a word that means 'DAY' in Spanish, and is often used to refer to the days of the week. Calendario Square is a public square located in Mexico City, Mexico, and it is named after the Spanish word for calendar. The square is a popular gathering place for locals and tourists alike, and is home to many festivals and events throughout the year.