Japanese Holidays January 2025. Japan public holidays in january 2025. January 2 and 3, too, as part of the sanganichi —the first three days of the new year—are treated as a holiday by most people.
January 1 the japanese “shogatsu” new year period starts from january 1 of the gregorian calendar. • new year’s day (jan 1) • coming of age day (jan 13) • national foundation day (feb 11) • emperor’s birthday (feb 23) • vernal equinox.