samedi dernier see Google Translate
Do you mean, what is it in English? samedi matin = Saturday morning
samedi matin means Saturday morning in French.
"Fernier" is not a word. Do you mean "dernier"? The word "dernier" means "last". For example "le mois dernier" = "last month"
"Samedi" in French translates to "Saturday" in English. It is the day of the week that comes after Friday and before Sunday.
"Ce samedi" means "this Saturday" in English.
Saturday
Literally: tomorrow to saturday
In French, you would say "le samedi" to mean "on Saturdays."
It means "on Saturday afternoon" in French.
Samedi is French for Saturday.
"qu'est-ce que vous (faites) samedi" means "what are you (doing) on Saturday?" in French.