Marine Day
Guide to the date, history, cultural origins and celebration traditions of Marine Day in Japan.
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History & Origins of Marine Day
Marine Day (Umi no Hi) in Japan is celebrated on the third Monday of July. Historically established in 1996, the holiday celebrates the blessings of the oceans and Japan's prosperity as a maritime nation. The date commemorates a historic 1876 voyage by Emperor Meiji, who sailed on a modern steamship back to Yokohama port.
How It Is Observed & Celebrated
Marked by beach clean-up drives, spectacular boat parades in Tokyo Bay, coastal firework displays, and is a major peak travel day for summer beach trips.
Quick Facts Card
Country:
Japan
Holiday Name:
Marine Day
Date (2026):
July 20
Day (2026):
Monday
Observance Type:
Statutory
Observed In:
National (Japan)
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