Mountain Day in Japan
Mountain Day is a national public holiday in Japan in the years listed below. Dates are from Nager.Date, fetched October 2026.
| Year | Date | Weekday | Local name |
|---|---|---|---|
| 2023 | August 11, 2023 | Friday | 山の日 |
| 2024 | August 12, 2024 | Monday | 山の日 |
| 2025 | August 11, 2025 | Monday | 山の日 |
| 2026 | August 11, 2026 | Tuesday | 山の日 |
| 2027 | August 11, 2027 | Wednesday | 山の日 |
Source: Nager.Date public holidays API — record: nager_holidays.json — japan, Mountain Day, fetched October 2026. Licence: Nager.Date data, MIT-licensed open source project (github.com/nager/Nager.Date); credit the source on every page that uses it.