When is Sea Day in Japan?

Sea Day falls on Monday, July 21st, 2025 in Japan.The following is the list of Sea Day in Japan from 2025 to 2030.

Quick Facts

This year:	21 July 2025, Monday
Next year:	20 July 2026, Monday
Last year:	15 July 2024, Monday
Type:	National

Dates for Sea Day

Holiday name	Date	Weekday
Sea Day	July 21, 2025	Monday
Sea Day	July 20, 2026	Monday
Sea Day	July 19, 2027	Monday
Sea Day	July 17, 2028	Monday
Sea Day	July 16, 2029	Monday

Famous People Born On July 21

Famous People Deaths On July 21

Historical Events on July 21

July 21 Public Holidays

Other Holidays in July 2025 in Japan

July 7, Star Festival July 21, Sea Day