🇯🇵
Japan
Asia

Marine Day

Monday, July 21, 2025
Public HolidayNational Holiday
21
Jul
Monday

Holiday Details

Marine Day, known as "Umi no Hi" in Japanese, holds a special place in Japan's calendar as a day dedicated to appreciating the ocean's bounty and significance to the island nation. Originally established in 1941 as Marine Memorial Day, it commemorated Emperor Meiji's historic voyage aboard the Meiji Maru steamship in 1876, marking the first time a Japanese emperor had traveled by sea.

The holiday gained official recognition in 1995 as a national holiday, reflecting Japan's deep connection to its maritime heritage. As an archipelago nation, Japan has historically relied on the sea for transportation, food, and cultural identity. The date was originally set for July 20th but was later adjusted to create a long weekend as part of Japan's "Happy Monday System" reforms.

Modern celebrations of Marine Day feature a variety of coastal activities and environmental initiatives. Beach cleanups draw thousands of volunteers nationwide, while aquariums and maritime museums offer special programs and free admission. Coastal communities organize swimming events, boat races, and seafood festivals. In Tokyo Bay, ships are decorated with flags, creating a colorful maritime parade that draws countless spectators.

The holiday has evolved to embrace environmental consciousness, with many events now focusing on ocean conservation and marine ecosystem protection. Schools and community centers often organize educational programs about marine life and the importance of sustainable ocean practices. This shift reflects growing global concerns about ocean pollution and climate change.

While similar maritime celebrations exist in other coastal nations, Japan's Marine Day is unique in its status as a national holiday. Countries like Australia and the United States celebrate their naval forces or maritime heritage, but few dedicate a national holiday specifically to ocean appreciation. This distinction underscores Japan's special relationship with the sea, shaped by centuries of maritime culture and island geography.

An interesting tradition associated with Marine Day is the annual release of sea turtles by schoolchildren, symbolizing hope for marine conservation and connecting younger generations with ocean stewardship. This practice, started in the 1990s, has become a powerful symbol of the holiday's environmental message.

Japan Holiday System

Japanese holidays maintain a balance between traditional seasonal observances and modern values, with particularly developed holiday cultures like Golden Week. Along with holidays related to the imperial system, the sentiment of Japanese people who value culture and nature is well reflected, and the Happy Monday system creates three-day weekends to enhance citizens' leisure life.

Additional Information

Holiday Type

Classified as Public Holiday and applied nationally.

Date Information

Falls on Monday in 2025.