October 31, 2025 Holidays and Observances

October Holidays

Date	Weekday	Event	Country	Type
31 Oct	Friday	Halloween	Belgium , Canada , Colombia , Denmark , Norway , Poland , Puerto Rico , Taiwan , United States Minor Outlying Islands , United States , United States Virgin Islands More...	Not public
31 Oct	Friday	Reformation Day	Chile , Slovenia More...	Public
31 Oct	Friday	Day of the Detention Centers and Prisons Workers	Russian Federation More...	Not public
31 Oct	Friday	All Saints' Eve	Sweden More...	Not public