# Japanese Era Converter (JEras) — Japanese calendar converter

> Converts Gregorian to Japanese calendar years and vice versa, with age and zodiac features. (iPhone/iPad app by Giuseppe Garassino.)

- Source: https://appshunter.io/ios/app/japanese-era-converter-jeras/id1559193412 (this page in markdown: same URL + `.md`)
- Developer: [Giuseppe Garassino](https://appshunter.io/developer/413661935)
- Category: Productivity, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 15.6 · 1 MB
- Languages: American English, Italian, Japanese
- Released: 2021-03-26
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/japanese-era-converter-jeras/id1559193412/reviews.md

## What is Japanese Era Converter (JEras)?

Japanese Era Converter (JEras) is a handy tool to convert Gregorian calendar years into Japanese calendar years and vice versa.

On January 1, 1873, Japan adopted the Gregorian calendar, the internationally accepted civil calendar. Nevertheless, the traditional era calendar scheme is commonly used in Japan. The Japanese calendar identifies a year by the combination of the Japanese era name (nengō) and an identification number in ascending order. Japanese Era Converter (JEras) converts Gregorian calendar years into Japanese calendar years, and vice versa. Moreover, it presents some special features, like displaying chronological age or Chinese calendar animal signs.

Key Features
・ Fast conversion from the Gregorian calendar to the Japanese calendar, and vice versa, as of 1868 (Keiō 4 / Meiji 1)
・ Chronological age calculator
・ Chinese calendar animal signs

## Key features

- Gregorian to Japanese calendar conversion
- Japanese to Gregorian calendar conversion
- Chronological age calculator
- Chinese calendar animal signs
- Conversions from 1868 onwards

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/japanese-era-converter-jeras/id1559193412/reviews.md

### 4/5 — Very useful

*2023-02-26*

The only feature I'd like is the ability to copy the Japanese year into my Clipboard.

## Frequently asked questions about Japanese Era Converter (JEras)

### What is JEras?

JEras is a free application designed to convert years between the Gregorian calendar and the traditional Japanese era calendar system. It also offers features like a chronological age calculator and Chinese zodiac animal signs.

### Does JEras have ads?

No, JEras is ad-free, providing a seamless user experience without interruptions from advertisements.

### What is the conversion range for JEras?

JEras allows for fast conversions from the Gregorian calendar to the Japanese calendar, and vice versa, starting from the year 1868 (Keiō 4 / Meiji 1).

### Can JEras calculate my age?

Yes, JEras includes a chronological age calculator, allowing you to determine your age based on specific dates.

### What devices is JEras available on?

JEras is compatible with iPhones, iPads, and iPods, making it accessible to a wide range of Apple users.

### How often is JEras updated?

The app was last updated on December 17, 2025, indicating ongoing development and support.

### What is the age rating for JEras?

JEras has an age rating of 4+, making it suitable for a broad audience.

### Does JEras support collaboration or integrations?

JEras is primarily a personal utility tool for calendar conversions and calculations. It does not currently feature collaboration tools or integrations with other productivity platforms.

## Version history (last 5 releases)

### 2.6.0 — 2025-12-17

- Japanese era table implemented

### 2.5.0 — 2025-01-02

- 2025 update: Reiwa 7 added
- Autoupdate until 2030 implemented

### 2.4.0 — 2024-01-15

- 2024 update: Reiwa 6 added
- New app icon

### 2.3.0 — 2023-07-30

- Copy to clipboard

### 2.2.0 — 2023-01-01

We update the application regularly to make it better for you. Download the latest version of Japanese Era Converter (JEras) for all of the available features.

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## More apps by Giuseppe Garassino

- [Cafoscari Jisho](https://appshunter.io/ios/app/cafoscari-jisho/id1608035564)
- [Stepped Reckoner](https://appshunter.io/ios/app/stepped-reckoner/id1642527511)
- [TapXtra](https://appshunter.io/ios/app/tapxtra/id6742331794)
- [Talking Drum](https://appshunter.io/ios/app/talking-drum/id6745146897)

All apps by Giuseppe Garassino: https://appshunter.io/developer/413661935

## Related topics

[giuseppe garassino](https://appshunter.io/ios/topics/giuseppe-garassino)

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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 2026-06-01.*