Bonne nuit (bon nwee) is how you say good night in French.
Wishing someone a Good Night is "Bonne Soiree".
shubharaatra
Bonne nuit!
Boa noite.
Goodnight is what we call shubhratri in Hindi . Although it is not much used now a days. People prefer to say good night instead of shubhratri.
Mera bahut achha dost. That is how you say good friend in Hindi.
"Shubh-ratri!"
"shubh deepawali" is the way to say Happy diwali in hindi.
Lulla means "Lori" or good night...
In Hindi, you can say "अलविदा" (Alvida) to say goodbye.
"Good morning" in Hindi is said as "शुभ प्रभात" (shubh prabhat).
Good morning can be said as 'SU PRABHAT' in Hindi. Here prabhat is morning.
In India, "good-bye" can be said as "Alvida" in Hindi or "Namaste" as a more informal way of bidding farewell.
Night can be said as Ratt in punjabi. A is not stretched much in the word. In Hindi it is called Raat.
Maa Acchi hai
You can say "अच्छे वीकेंड की शुभकामनाएं" (acche weekend ki shubhkaamnaayein) in Hindi to wish someone to have a good weekend.