c'est une très bonne journée
Literally, "bon matin" However, no one really says good morning, as much as they say good day "bonjour"
To say "have a good day" in French, you can say "bonne journée."
today was a good day in french
You can say "j'ai passé une bonne journée" in French to express "I had a good day".
In Cajun French, you can say "Passe une bonne journée" which translates to "Have a good day."
bonne journee
Vraiment bon Noël
vous êtes vraiment bon
"Bonjour mademoiselle" IS a French phrase. If you say this, you are speaking French. It means "Good day, miss" in English.
The French don't have a phrase to express that amorphous sentiment. Their basic salutation, bon jour, already means good day.
Good day: Bon jour God bless: Dieu benit
"Bonjour tout le monde!"