form top to bottom
top right column - (8 characters) Shinshiki (shinto rites) Tenno ???+(seal) - probably Shinto and emperor special days
top left column - (8 characters) 2544 year - number of years since Emperor Jimmu founded Japan
Lower part (1 column):
(4 characters) Meiji 17 year (1884)
(1 character) Calender
(2 characters - horisontal) Junnen - Intercalendar month in lunar calendar
(5 characters) 3 100 6 10 6 - 366 days (leap year in ordinary calendar)