From Wikipedia & The #FactSite
The day of the week before Sunday and following Friday, and (together with Sunday) forming part of the weekend.
Saturday takes its name from Saturn, Roman dissolution, plenty, wealth, agriculture, periodic renewal, and liberation. Saturn’s mythological reign was depicted as a Golden Age of plenty and peace. Generally speaking, many of the days of the week were renamed from the calendar to the Germanic calendar after the Germanic deities
End of the western work week, a day to sleep in, being lazy—Saturday is special. … That’s the case with the days of the week. Saturday is named in honor of Saturn, the Roman god of agriculture. Each of the days of our week are named in honor of a god or object deemed worthy of veneration by the Anglo-Saxons.