# Era Converter — AD and JP Era: Conversion App

> AD and JP Era: Conversion App (iPhone/iPad app by NAOTO UENO.)

- Source: https://appshunter.io/ios/app/era-converter/id6737445007 (this page in markdown: same URL + `.md`)
- Developer: [NAOTO UENO](https://appshunter.io/developer/1713488656)
- Category: Education, Utilities
- Price: $0.99
- Age rating: 4+
- Requires: iOS 16.6 · 1 MB
- Languages: American English, Japanese
- Released: 2024-10-31
- Data updated: 2026-08-12
- User reviews in markdown: https://appshunter.io/ios/app/era-converter/id6737445007/reviews.md

## What is Era Converter?

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 (*)


## Version history (last 5 releases)

### 1.2 — 2026-03-22

- Enabled to display both the Japanese calendar dates before and after the era change

### 1.1.2 — 2026-01-25

- Fixed minor issue

### 1.1.1 — 2025-12-30

- Fixed minor issue

### 1.1.0 — 2025-12-07

- Changed the app name for the Japanese version

### 1.0.9 — 2025-03-13

- Fixed minor issue

## More apps by NAOTO UENO

- [Cloud Memo](https://appshunter.io/ios/app/cloud-memo/id6474221293)
- [Color Date Gen](https://appshunter.io/ios/app/color-date-gen/id6475646169)
- [Color Date Plus](https://appshunter.io/ios/app/color-date-plus/id6478318337)
- [Color Date](https://appshunter.io/ios/app/color-date/id6478446273)
- [Cloud Memo Plus](https://appshunter.io/ios/app/cloud-memo-plus/id6479646802)
- [Color Date One](https://appshunter.io/ios/app/color-date-one/id6480535376)

All apps by NAOTO UENO: https://appshunter.io/developer/1713488656

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-12.*