Refers to a single night or evening, often used when counting or specifying a duration.
一晩だけホテルに泊まった。
I stayed at a hotel for just one night.
一晩中、雨が降っていた。
It rained all night long.
Emphasizes the entire night or something happening through the night; often used with 中 or in contexts of staying up or leaving something overnight.
一晩考えてから返事をします。
I'll give you my answer after thinking about it overnight.
彼は一晩中起きていた。
He stayed up all night.
I stayed overnight at my friend's house.
I left the dough in the fridge overnight.
This task can be finished in one night.
I'll think it over for a night before giving my answer.
一晩 is the everyday, neutral word for a night, while 一夜 carries a more literary or dramatic tone, as seen in set phrases like 一夜漬け.
一晩 simply names one night as a unit of time, whereas 夜通し is an adverb meaning 'all through the night', stressing continuous, unbroken action.
一晩 is a general term for a night, while 一泊 specifically refers to one night's stay at a hotel or other lodging.
一晩 just means 'one night' (a duration or occasion), while 一晩中 specifically means 'throughout the whole night'.
Standard kanji spelling; high-frequency news and common usage.
Mixed kana-kanji spelling, sometimes used for readability or emphasis.
Compound of 一 (ひと, 'one') and 晩 (ばん, 'night, evening'). The reading ひとばん follows the native Japanese counting system.