When is Mountain Day 2138?

Mountain Day 2138 is on Monday 11 August 2138 in Japan.

How many days until Mountain Day 2138?

40816 days from today (Tuesday 10 November 2026).

Yes. Mountain Day is a national public holiday in Japan.

Mountain Day 2139 is on Tuesday 11 August 2139.

Public Holiday

Japan

Monday 11 August 2138

40816 days to go | 3-day long weekend: Sat, 9 Aug - Mon, 11 Aug 2138

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When is Mountain Day 2138?: Mountain Day 2138 is on Monday 11 August 2138 in Japan.
How many days until Mountain Day 2138?: 40816 days from today (Tuesday 10 November 2026).
Is Mountain Day a public holiday in Japan?: Yes. Mountain Day is a national public holiday in Japan.
When is Mountain Day 2139?: Mountain Day 2139 is on Tuesday 11 August 2139.

Mountain Day is a public holiday in Japan.