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Japanese Era Converter

Reiwa, Heisei, Showa ↔ Western year — including transition years

Era changes happen mid-year, so the day matters.

R8 · Reiwa 8

Era reference

EraWestern yearsStarted
令和Reiwa2019present2019-05-01
平成Heisei198920191989-01-08
昭和Showa192619891926-12-25
大正Taisho191219261912-07-30
明治Meiji186819121868-10-23

How to Use

1

Pick how you have the date: a full date, a Western year, or an era year.

2

Type it in. Conversion happens as you type — nothing to submit.

3

Tap the result to copy it in the form Japanese documents expect.

4

Check the reference table below if you need the full era ranges.

Frequently Asked Questions

Who Is This For?

  • Anyone filling in a Japanese form — visa, residence card, bank, insurance
  • People reading Japanese certificates, licences or family registers
  • Translators and researchers working with Japanese-dated sources
  • Developers converting between wareki and ISO dates