Japanese Era Converter

Convert between Western calendar dates and Japanese era dates (Nengo). Support for Reiwa, Heisei, Showa, Taisho, and Meiji eras.

How to Convert Japanese Era Dates

  1. 1 Select conversion direction: Western to Japanese or Japanese to Western
  2. 2 For Western dates, enter the calendar date
  3. 3 For Japanese dates, select the era and enter the year
  4. 4 Click Convert to see the equivalent date
  5. 5 View era information including start dates and emperor names

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Last updated: January 15, 2026 · v2.1