day
Day is the English equivalent of 'Dag'.
You can say hello or hallo, otherwise Goeie dag.
I wish you a good day is an English equivalent of 'Ik wens je een fijne dag'. Here's an example of its use as a way of wishing that someone have a good day:
Ha en skön dag!
You can say "Hav en god dag" in Danish to mean "Have a good day."
You would say "Dit is 'n lekker dag vandag" in Afrikaans.
Goodbye can be 'tot ziens' (until I see you) or 'dag' which can also be used as a greeting. It's a question of tone.
Formal - God Dag (goo dag) Informal - Hei (hey)
Dag is the word from English to Dutch. It means a day in English language.
I dag "ee daag"
Lekker dag
Ha en fin dag! But literally it's: Ha en vakker dag!