Question 1

When is Mountain Day in Japan?

Accepted Answer

According to our data, Mountain Day occurs in Japan. August 11, 2026 is the date for 2026. See the Dates table above for all known occurrences.

Question 2

Is Mountain Day a public holiday in Japan?

Accepted Answer

Yes, Mountain Day is typically treated as a public holiday in Japan, meaning businesses and schools may be closed. However, this can vary by region and local regulations.

Question 3

Does the date of Mountain Day change?

Accepted Answer

No, Mountain Day occurs on the same date each year in Japan. The date is fixed according to the standard calendar.

Question 4

How do people observe Mountain Day?

Accepted Answer

People observe Mountain Day in various ways. Common practices include: check if businesses and schools are closed, plan travel and shipping accordingly, attend public events or parades if available. Specific customs may vary by region and community.

Question 5

Where does the date information come from?

Accepted Answer

Date information is sourced from multiple public providers and normalized for consistency. We aggregate data from official government sources, national calendars, and verified holiday databases.

Year	Date	Link
2025	2025-08-11	View 2025 holidays
2026	2026-08-11	View 2026 holidays

Mountain Day

Facts

What is Mountain Day?

How to observe

Dates

FAQ