Determination of the day of the week in the year row (07) is located in column G. The letter in the century row (13) and column G is E, so the day of the week is Friday. January 1 corresponds to G, G in the year row (00) corresponds to F in the century row (20), and F corresponds to Saturday. A pithy formula for the method: ""Date letter (G), letter (G) is in year row (00) for the letter (F) in century row (20), and for the day, the letter (F) become weekday (Saturday)"". Use 17 (in the Gregorian century row, column C) and 83 (in
Italian literature was rapid. As early as the end of the 13th century the "Devozioni del Giovedi e Venerdi Santo" appeared, mixing liturgy and drama. Later, "di un Monaco che ando al servizio di Dio" ("of a monk who entered the service of God") approached the definite form the religious drama would assume in the following centuries. 13th-century Tuscany was in a unique situation. The Tuscans spoke a dialect that closely resembled Latin and afterward became, almost exclusively, the language of literature, and which was already regarded at the end of the 13th century as surpassing other dialects. "Lingua Tusca magis apta