The early Romans used the Etruscan Market Week. This week had seven working days and one market day called the Nunindae. On Nunindae many auctions were held and people viewed it as a day of festivity.

The planetary week of seven days was commonly used around the first century AD. Augustus used the seven day calendar and the ancient market calendar simultaneously. In AD 321 Constantine made using the astrological, seven day week, Roman law.

How was the Roman week different from the one we use today? Find out with this simple matching exercise. Find the Latin words for each day of the week.