Marine Day in Japan
Marine 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 | July 17, 2023 | Monday | 海の日 |
| 2024 | July 15, 2024 | Monday | 海の日 |
| 2025 | July 21, 2025 | Monday | 海の日 |
| 2026 | July 20, 2026 | Monday | 海の日 |
| 2027 | July 19, 2027 | Monday | 海の日 |
Source: Nager.Date public holidays API — record: nager_holidays.json — japan, Marine 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.