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When is Marine Day in 2027 in Japan?

Marine Day 2027 is on Monday, 2027-07-19

Marine Day in Japan falls on Monday, July 19, 2027. That is week 29 of 2027 (ISO week numbering), day 200 of the year. Locally it is also written as: 海の日.

Days until Marine Day 2027

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Marine Day by year in Japan

YearWeekdayDateISO week
2027Monday2027-07-1929this page
2026Monday2026-07-20302026 page

Public holidays near this date in Japan 2027

DateDayHolidayDeducted from working days
2027-07-19Monday海の日Yes

Working days around this holiday

The July 2027 business-days page shows the exact count of working days in the month this holiday falls in, with the holiday deducted and every remaining day listed. The full Japan 2027 holiday list marks whether this date is nationwide (Yes) or regional only.

How the date is verified: the date and weekday above are computed from the calendar, not typed in, and ISO week numbers follow ISO 8601 (weeks start Monday). You can reproduce both by checking that 2027-07-19 is a Monday on any perpetual calendar.

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