August 17 Holidays & Observances
1 holiday observed on August 17 in the 2026–2030 window.
View all August holidays
See every observance across August in one monthly calendar.
August calendar →August 17 — quick answers
- How many holidays fall on August 17?
- In the 2026–2030 window, 1 holiday and observance falls on August 17: Indonesia Independence Day.
- What is celebrated on August 17?
- August 17 is home to Indonesia Independence Day. Each one has its own page with history and a live countdown.
- Are any August 17 holidays public holidays?
- None of the observances on August 17 are US federal holidays; they are celebrated informally by people, brands and communities.