From Longman Dictionary of Contemporary Englishthe day/week/month etc beforethe day/week/month etc beforethe previous day, week, month etc OPP after She was in Paris last week and in Rome the week before. → before
Examples from the Corpus
the day/week/month etc before• If she laid at dawn, like most birds, she would have to have prepared the day before.• The observers of gonorrhoea in the days before effective treatment was available vividly described the symptoms of acute gonococcal urethritis.• Barbara Walters found time the week before her swirl of Inaugural engagements as the date of Sen.• The move came the day before high school players are allowed to sign letters-of-intent with college programs.• And he also had long discussions with the actors when they rehearsed the dialogue during the week before shooting began.• The final winner will be announced the week before Super Bowl.• That is equivalent to the day before Thanksgiving, Black Wednesday, in industry parlance.• Even the day before the King died! 