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October 31 Holidays & Observances

1 holiday observed on October 31 in the 2026–2030 window.

Halloween fun · International Every year

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October 31 — quick answers

How many holidays fall on October 31?
In the 2026–2030 window, 1 holiday and observance falls on October 31: Halloween.
What is celebrated on October 31?
October 31 is home to Halloween. Each one has its own page with history and a live countdown.
Are any October 31 holidays public holidays?
None of the observances on October 31 are US federal holidays; they are celebrated informally by people, brands and communities.