Friday is the day of the week between Thursday and Saturday. Its name is derived from the germanic goddess Frigg.
In most areas with a five-day working week, Friday is the last workday before the weekend and is therefore viewed as a cause for celebration or relief, leading to the expression TGIF, an acronym for Thank God It's Friday. (That phrase was popularized by a movie during the 1970s.) Friday is also the inspiration for the restaurant, aptly named, T.G.I. Friday's.