Era Converter
AD and JP Era: Conversion App
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$0.99
About
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 (*)
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What's New in Era Converter
1.2
March 22, 2026
- Enabled to display both the Japanese calendar dates before and after the era change
