Monday.
à lundi, au revoir means 'see you on Monday, goodbye'.
"Le lundi" in French means "on Monday." It is used to indicate that something happens specifically on that day of the week.
lundi <<< that's how you say it remember french days of the week NEVER start with a Capital letter♦♦♦
the first lesson on Monday (morning)
(le) lundi
On Monday in French is "lundi".
Joanellia lundi was created in 1979.
On Monday in French is "Lundi."
In French, Monday is called "lundi."
lundi dernier = last monday lundi prochain = next monday
Lundi is the French word for "Monday". Note though that days of the week in French don't have capitals.
In French, "lundi matière sciences" translates to "Monday subject: sciences." It likely refers to a schedule or timetable indicating that sciences is the subject being studied on Mondays.