Halloween is a holiday celebrated on the night of October 31. Halloween activities include trick-or-treating, ghost tours, bonfires, costume parties, visiting "haunted houses", carving Jack-o'-lanterns, reading scary stories and watching horror movies. Halloween is celebrated in several countries of the Western world, most commonly in the United States, Canada, Ireland, Puerto Rico, Japan, New Zealand, United Kingdom and occasionally in parts of Australia. In Sweden the All Saints' official holiday takes place on the first Saturday of November.