What's New

Supports the new era "令和 (Reiwa)"
Source: "初春令月氣淑風和" from Man'yōshū
Reference: "仲春令月時和気清" from Wen Xuan

App Description

"Gengou Lib." is a quick reference of the Japanese era system. This application has functions as below.

- Period picker
- Era picker
- Christian era year picker
- Japanese era year picker
- Show this year button
- Texts can be shown in Japanese or English independently of the default language setting.
- Application badge can show this year number in the Japanese era or the Christian era.

The Japanese era system identifies a year by the combination of the era name (Gengou or Nengou) and the year number within the era. For example, A.D. 2001 is Heisei 13. Please note that two Gengou schemes were used in Parallel from 1331 to 1392 during Nanboku-chō period.

This application would be very useful if you are working with the governments, municipal offices and/or certain companies in Japan.

iPhone Screenshots

(click to enlarge)

Gengou Lib screenshot 1 Gengou Lib screenshot 2

iPad Screenshots

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Gengou Lib screenshot 3 Gengou Lib screenshot 4

App Changes

  • March 03, 2012 New version 1.0.1
  • June 14, 2019 New version 2.1.0