Public holiday, observed nationwide
Next: July 20, 2026 (Monday)
| Year | Date | Day |
|---|---|---|
| 2025 | July 21, 2025 | Monday |
| 2026 | July 20, 2026 | Monday |
| 2027 | July 19, 2027 | Monday |
| IANA Zone | Abbreviation | UTC Offset | DST |
|---|---|---|---|
| Asia/Tokyo | JST | UTC+09:00 | No |
Marine Day falls on July 20, 2026 (Monday) in 2026.
Marine Day is a public holiday in Japan.
Japan uses Asia/Tokyo (UTC+09:00).