O zi bună is one Romanian equivalent of 'Have a nice day'. Another equivalent is o zi frumoasă. Still another equivalent is o zi plăcută. Any one is a good choice by the speaker. It's a case of three perfectly acceptable ways of conveying good wishes between two or more individuals.
The Romanian language equivalent of I had a good day is Am avut o zi bună.
The Romanian language equivalent of good day is bună ziua.
The Romanian language equivalent may be Să ai o zi bună !
The Romanian for Good Day is Bună Ziua
The Romanian language equivalent of good is bun.
Buna-intors is a Romanian equivalent of 'Good trip'.
A Romanian language equivalent of Good. How about you? is Bine. Dar tu ?
The Romanian language equivalent of good is bun(m) or bună (f).
Noapte bună is a Romanian equivalent of 'Good night'. It's what people say to each other when the evening's all over. Otherwise, the equivalent is Bună seara, which literally means 'Good evening'.
The Romanian language equivalent of good is bun (m), bună (f).
The Romanian language equivalent of good eating is poftă bună.
The equivalent of good in the Romanian language is bun (or bine).