Era Converter

Main Functions
- Convert between the Gregorian year and the Japanese era
- From ancient times to the present (after 645 AD)
- Use the search button to quickly check the Chinese zodiac, leap months, and dates of era changes
- Easily access previous or following years with the +/- buttons
- Long press on search results to copy
- Supports parallel era names, such as those from the Nanboku-chō period. Both are displayed when converting from the Gregorian year.
- For years after Meiji 6, the leap month field displays leap years (*)