When do you say "good evening" and "good night"? The specific time?

Thank you in advance!

Question

When do you say "good evening" and "good night"? The specific time?

Thank you in advance!

Answer

Good evening is a “hello”  after dark.

Good night is a “goodbye” after dark.

Answer

I would say "Good Evening" anytime from dusk until before I go to bed. I would say "good evening" as a hello or "Have a good evening" as a goodbye. I would use "Goodnight" or "Have a goodnight" anytime between from dusk until before I go to bed and only as a goodbye.

Answer

evening is usually between 5pm-8pm

night 8pm-12am.