Japanese era (wareki) converter

Convert dates between the Gregorian calendar and Japanese eras — Meiji through Reiwa.

Covers 1868-10-23 (Meiji 1) onward — Meiji, Taishō, Shōwa, Heisei, and Reiwa.

Dates are converted in this browser only.

How to use

  1. Choose the direction.
  2. Enter the date or era year.
  3. Convert and read the result.

What it supports

Covers 1868-10-23 (Meiji 1) onward. Era boundaries are handled exactly — for example 2019-04-30 is Heisei 31 and 2019-05-01 is Reiwa 1. A Gregorian year can contain two eras and is listed with both.

Related tools

Related guides