domingo (Sunday)
segunda feira (Monday)
terça feira (Tuesday)
quarta feira (Wednesday)
quinta feira (Thursday)
sexta feira (Friday)
sábado (Saturday)

Portugal dropped the five planetary names for the days of the week and replaced them with numerical references because it adopted the regular ecclesiastical (Roman-Catholic) system which was once numerical in an effort to eliminate the use of the names of the "pagan" gods and goddesses.