Marine Day (海の日) 2026 is on Monday, 20 July 2026.
Published by a named source, listed below.
At a glance
- Type
- Public holiday
- Date
- Monday, 20 July 2026
- Long weekend
- Yes, next to the weekend
Whether offices, banks and schools close depends on the employer or the local authority. The source has the details.
What it is
A day of thanks for the blessings of the sea; kept on the third Monday of July.
Also known as Umi no Hi.
Every date and its source
| Date | Source |
|---|---|
| 2026 | |
| Monday, 20 July 2026 | Japan: Japan Public Holidays |
Questions
Is the Marine Day (海の日) 2026 date confirmed?
Confirmed. Published by a named source, listed below.
What else falls on Monday, 20 July 2026?
Saptami.
Where does the Marine Day (海の日) date come from?
One named source: Japan Public Holidays. Each is linked under Sources.
Can I add Marine Day (海の日) to my calendar?
Yes. Use "Add to calendar" above: the .ics file opens in Google Calendar, Apple Calendar and Outlook, and lists every sourced date.
Also on this day
Sources
Japan Public Holidays 2026
- Cabinet Office, Government of Japan: national holidays · last verified 12 August 2026
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