Konbanwa means "Good evening." You use this greeting when you meet someone in the evening, typically from dusk onwards. Like "Konnichiwa," it's a common and polite way to greet people. For example, when meeting a friend for dinner, you'd say, "こんばんは！お元気ですか？" (Good evening! How are you?).

夕方から夜にかけて人に会った時に使う挨拶です。丁寧な言い方です。「こんばんは！」