Evening; a poetic or literary term for dusk/twilight.
夕べの風が庭を静かに通り抜けた。
The evening breeze quietly passed through the garden.
詩人は夕べの景色を題材に新しい詩を書いた。
The poet wrote a new poem inspired by the evening scenery.
The evening of a special event; often used in titles as '～の夕べ' (e.g., 'An Evening with Writers').
週末に『作家の夕べ』が図書館で開かれる。
An 'Evening with Writers' will be held at the library this weekend.
クリスマスの夕べは家族と静かに過ごしたい。
I want to spend Christmas Eve quietly with my family.
Last night; the previous evening. Often read as 'ゆうべ' in everyday speech and commonly written as 昨夜.
ゆうべは遅くまで勉強していた。
I was studying until late last night.
ゆうべ、久しぶりに友達に会った。
I met a friend I hadn't seen in a long time last night.
昨夜と同じ雨がゆうべも降った。
The same rain that fell the previous night fell again last night.