Marine Day is a public holiday in Japan, observed on July 20, 2026. It is locally known as 海の日. This is a national holiday observed across the entire country.
Holiday Details
| Holiday | Marine Day |
| Local Name | 海の日 |
| Date | July 20, 2026 |
| Country |  Japan |
| Type | Public |
| National | Yes — observed nationwide |
Frequently Asked Questions
All Public Holidays in Japan
| Date | Holiday | Type |
|---|---|---|
| 2026-01-01 | New Year's Day | Public |
| 2026-01-12 | Coming of Age Day | Public |
| 2026-02-11 | Foundation Day | Public |
| 2026-02-23 | The Emperor's Birthday | Public |
| 2026-03-20 | Vernal Equinox Day | Public |
| 2026-04-29 | Shōwa Day | Public |
| 2026-05-04 | Constitution Memorial Day | Public |
| 2026-05-04 | Greenery Day | Public |
| 2026-05-05 | Children's Day | Public |
| 2026-07-20 | Marine Day | Public |
| 2026-08-11 | Mountain Day | Public |
| 2026-09-21 | Respect for the Aged Day | Public |
| 2026-09-23 | Autumnal Equinox Day | Public |
| 2026-10-12 | Sports Day | Public |
| 2026-11-03 | Culture Day | Public |
Explore More Holidays
New Year's Day
Andorra — 2026-01-01
Epiphany
Andorra — 2026-01-06
Carnival
Andorra — 2026-02-16
Constitution Day
Andorra — 2026-03-14
Good Friday
Andorra — 2026-04-03
Easter Monday
Andorra — 2026-04-06
Labour Day
Andorra — 2026-05-01
Whit Monday
Andorra — 2026-05-25
Assumption Day
Andorra — 2026-08-15
National Holiday
Andorra — 2026-09-08