UNTILXYZ

Japanese public holiday

Estimated date

Mountain Day (Japan)

Mountain Day is a Japanese national holiday observed on 11 August. This countdown follows the date published by Japan's Cabinet Office for the next annual observance.

16
days to go
DateAugust 11, 2026
CountdownWhole calendar days
TimezoneYour local timezone
LocationJapan

Good to know

When is Mountain Day in Japan?

Mountain Day in Japan is observed every year on 11 August.

This calendar-date countdown follows your local timezone. It does not invent a universal midnight.