August 2026 in Japan
1 holiday / observance this month. Notable dates include Mountain Day. See the full 2026 calendar or holidays list.
Calendar
August 2026 — Japan
Full August 2026 calendar for Japan. Tap a marked day for holiday details.
Public / federal holidayObservanceInternational dayToday
August 2026
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Holidays in August
1 dates
Mountain Day
Tue, Aug 11 · Public holiday