when was halloween

Halloween is celebrated on October 31 each year. The date marks the evening before All Hallows’ Day (All Saints’ Day) and is the origin of the term All Hallows’ Eve, later shortened to Halloween. The holiday blends pre-Christian Celtic traditions, notably Samhain, with later Christian practices, and today is mostly observed in secular ways such as trick-or-treating, costumes, carved pumpkins, and festive gatherings.