P5-datetime-calendar-japanese-era

DateTime Extension for Japanese Eras

Japan traditionally used an “era” system since 645. In modern days since the Meiji era eras can only be renewed when a new emperor succeeds his predecessor. Until then new eras were proclaimed for various reasons, including the succession of the shogunate during the Tokugawa shogunate.

WWW http//search.cpan.org/dist/DateTime-Calendar-Japanese-Era/