A Vida Num Só Dia
- Ano: 2008
- País: United Kingdom, United States of America
- Gênero: Drama, Comédia, Romance
- Estúdio: Focus Features, Kudos, Shine Pictures, Twins Financing, Keylight Productions
- Palavra-chave: london, england, based on novel or book, england, jazz singer or musician, jazz club, love affair, pianist, governess, high fashion, eve of world war ii
- Diretor: Bharat Nalluri
- Fundida: Frances McDormand, Amy Adams, Lee Pace, Ciarán Hinds, Shirley Henderson, Mark Strong