Let's see how do we greet/wish people in German Language.
Guten Morgen = good morning
Hallo= hello
Guten Tag = good afternoon/good day
Guten Abend = good evening
Gute Nacht = good night
Tschüss = bye
Auf Wiedersehen = good bye/see you again
Grüß Gott = hello (mostly in Southern Germany and Austria)
Wie geht's? = how are you (informal)
Wie geht es Ihnen = How are you? (Formal)
bis bald = see you soon