Home Global Holiday Calendar Global Holiday Calendar Japan Japan : Mountain Day Japan : Mountain Day View all events Download Add to Calendar Export to other calendar/iCal When: August 10, 2020 all-day 2020-08-10T00:00:00+00:00 2020-08-11T00:00:00+00:00 APJ Japan Note : These holidays are subject to change as per local regulations of the respective country. Print