In French, the days of the week are: Lundi (Monday) Mardi (Tuesday) Mercredi (Wednesday) Jeudi (Thursday) Vendredi (Friday) Samedi (Saturday) Dimanche (Sunday) They are all masculine in gender. Notice how most of these days in French sound like planets. As a matter of fact, ancient nations used to worship them and made a special day for every one of those planets to worship. Lundi : monday: day of the moon (“lune” means the moon in French) Mardi : Tuesday, (day of mars) Mercredi : (day of mercury) Jeudi : (day of jupiter) Vendredi : (day of venus) Saturday : (day of Saturn)