starting from Monday:
lundi
mardi
mercredi
jeudi
vendredi
samedi
dimanche
The names of each day comes from the Romans, Planet Names or the Moon. For example, Lundi in French is derived from Lunar, as in the moon.
Because they are proper names that define each day of the week. No other set of words can do that.
The French words referring to each day of the week are, in order, from Monday to Sunday: lundi, mardi, jeudi, vendredi, samedi, dimanche. In this instance, "di" merely corresponds to the syllable "day".
'Semaine' is French for 'week', as in a day of the week.
Saturday (in French).
Dimanche, which is the French for Sunday.
The French week starts on Monday (lundi) and ends on Sunday (dimanche).
NICE
Samedi is French for Saturday.
The word "lundi" comes from the Latin phrase "dies Lunae," which translates to "day of the Moon." This tradition of naming days of the week after celestial bodies like the Moon has its origins in ancient Roman and Germanic cultures, which the French inherited.
Quel jour sommes-nous? is a French equivalent of the English phrase "What day of the week is it?" The interrogative translates literally by word order into English as "What (which) day are we?" The pronunciation will be "kel zhoor suhm-noo" in French.
Mardi is the French for Tuesday.