Halloween or Hallowe'en (less commonly known as AllhalloweenAll Hallows' Eve,or All Saints' Eve) is a celebration  on 31 October, the eve of the Western Christian feast of All Hallows' Day. It is at the beginning of the observance of Allhallowtide,[12] the time in the liturgical year dedicated to remembering the dead, including saints (hallows), martyrs, and all the faithful departed.In popular culture, the day has become a celebration of horror, being associated with the macabre and supernatural.