good evening
US /ˌɡʊd ˈiːv.nɪŋ/
UK /ˌɡʊd ˈiːv.nɪŋ/

1.
a greeting used in the evening or at night
:
•
Good evening, everyone. Welcome to our annual gala.
•
She said, "Good evening," as she entered the room.
a greeting used in the evening or at night