Aveti o buna ziua!
Avoir une belle journée
You can say "You too!" in response to someone wishing you to have a good day.
Mele Kalikimaka me ka Hau'oli Makahiki Hou
Happy birthday cousin tina have a wonderful day
The Romanian language equivalent of good day is bună ziua.
J'esp
You say it like, 'Je, siku ya ajabu.'
They have a wonderful day: ils/elles passent une merveilleuse journée; have a wonderful day (imperative mood) : passez une merveilleuse journée.
Well, there are many ways to say wonderful in French. Here are some...Magnifique, merveilleux, fabouleux, fantastique, but there is no way to actually say the word wonderful in French. =D
In Romania you say hi likr this '' Buna '' !
Da ti e hubavo denya!
It is another way to say "good morning," often associated with the Irish. When you wish someone the "Top of the Morning," you are wishing them the best part of the morning. To which they should reply, "and the balance of the day to you." This is wishing you a good rest of the day.