the four grand national holidays (Prayer to the Four Quarters, Empire Day, the Emperor's Birthday, Emperor Meiji's birthday; 1927-1948)
Empire Day (February 11th; national holiday held from 1872 to 1948)
Emperor's Birthday (national holiday held from 1868 to 1948)
Prayer to the Four Quarters (Japanese imperial New Year's ceremony)
Emperor Meiji's birthday (November 3; national holiday held from 1927 to 1948)