Map › Holidays A–Z › Sea Day
When is Sea Day 2026?
Sea Day 2026 is on Monday, July 20, 2026 in Japan.
Sea Day is a national holiday in Japan
See July 20 on the world mapSea Day 2026 by country
| Country | Date |
|---|---|
| 🇯🇵 Japan | July 20Monday |
Questions about Sea Day
- When is Sea Day in 2026?
- Sea Day is on Monday, July 20, 2026.
- Which countries celebrate Sea Day?
- Sea Day is marked in 1 country: Japan.
- Is Sea Day a public holiday?
- Yes, it's a public holiday in Japan. Elsewhere it may be an observance or a regional holiday, so check the table for each country.
Other holidays around the same time
- Independence Day January 1
- Father's Day January 4
- National Day February 4
- Constitution Day January 7
- Republic Day January 1
- Children's Day January 6
- Liberation Day January 1
- King's Birthday April 20
- Martyrs' Day January 4
- Revolution Day January 3
- Remembrance Day March 1
- Statehood Day February 16