Hodie die bonum cadere est.
In Dakota, you can say "Wiwanyag Wacipi Ecante," which translates to "Have a good and happy dance" as a way to wish someone a happy birthday.
"Oli otya" is how to say good day in Luganda.
In Bahamian Creole, you can say "Good Day" as "Good marning" or "Good afternoon" as "Good evening".
To say "have a good day" in Hawaiian, you can say "Maluhia maika'i o kākou."
In Dakota, you can say "ekiya" to mean welcome.
In Flemish, you can say "goedendag" which means good day.
You can say "Good day" or "Hello" to greet someone in English.
In Cree, you can say "Kiya pimatisiwin" to mean "Have a good day."
"Roja baş" is how you say "good day" in Kurdish.
buon pomeriggio
You can say "You too!" in response to someone wishing you to have a good day.