October 17 Holidays & Observances
1 holiday observed on October 17 in the 2026–2030 window.
Floating holidays on October 17
These observances only land on October 17 in certain years.
| Holiday | 2026 | 2027 | 2028 | 2029 | 2030 |
|---|---|---|---|---|---|
| Diwali | — | — | Oct 17 · Tue | — | — |
View all October holidays
See every observance across October in one monthly calendar.
October calendar →October 17 — quick answers
- How many holidays fall on October 17?
- In the 2026–2030 window, 1 holiday and observance falls on October 17: Diwali.
- What is celebrated on October 17?
- October 17 is home to Diwali. Each one has its own page with history and a live countdown.
- Are any October 17 holidays public holidays?
- None of the observances on October 17 are US federal holidays; they are celebrated informally by people, brands and communities.