Holidays

Mountain Day

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    There are 1,027 days until Mountain Day, on Saturday, 11 August 2029.

    Public holiday in Japan.

    Mountain Day refers to three different and unrelated events: (1) Mountain Day, a student celebration in some colleges in the United States in which classes are cancelled without prior notice, and the student body heads to the mountains or a park, (2) International Mountain Day, held each year on 11 December, which was established by the UN General Assembly in 2003 to encourage sustainable development in mountains, and (3) Mountain Day, a national holiday in Japan as of 2016.

    Summary from Wikipedia (CC BY-SA 4.0)

    Where
    Japan

    Date source

    date-holidays

    Source last checked Oct 19, 2026

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