Besides the morning greeting “Bonjou” these are the most common ways to say Hello in Haitian Creole.
Good afternoon – Bòn apre-midi
Good evening – Bòn swa
Good night – Bòn nwi
These phrases are used for greetings and for departing at different times in the day. “Good afternoon” is typically from noon until anytime around 4pm. “Good evening” can be used from noon until bedtime, it’s the most flexible greeting. “Good night” is for departing for the evening if it’s after dark.
This post answers the question:
How can I say “good evening, good night, and good afternoon” in Haitian Creole?