"Allantide (Cornish: Kalan Gwav, meaning first day of winter, or Nos Kalan Gwav, meaning eve of the first day of winter and Dy' Halan Gwav, meaning day of the first day of winter) is a Cornish festival that was traditionally celebrated on the night of 31st October, as well as the following day time, and known elsewhere as Hallowe'en."@en . . .