Endnote 35 – How It Came About: From Saturday to Sunday

That the day of Saturn was originally the first day of the week is clearly evidenced by the Indices Nundinarii and by the mural inscriptions found in Pompeii and Herculaneum where the days of the week are given horizontally starting with the day of Saturn. For a source collection see: A. Degrassi, Inscriptiones Italiae (Rome Libreria Dello Stato, 1963) XIII 49, 52, 53, 55, 56.