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App Store Apps > Lifestyle > Old Japanese Clock
Old Japanese Clock icon

Old Japanese Clock

by Takafumi AMANO · Lifestyle · $3.99
On the App Store since April 2014 · Data updated 2026-10-29

Old Japanese Clock is made and published by Takafumi AMANO. AppBrain is an independent app data site and isn't affiliated with Takafumi AMANO. The app name, icon, screenshots and description belong to Takafumi AMANO and are shown as published on the App Store.

5.00
1 reviews
$3.99

Old Japanese Clock Screenshot 1 of 5
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Old Japanese Clock Screenshot 5 of 5
Screenshots by Takafumi AMANO, from the the App Store listing
View on the App Store

AppBrain's verdict

Established
Rating on App Store
5.00
1 ratings
Last updated
October 22, 2026
Size
8.88 MB

It doesn't have enough ratings yet to judge what users think.

Official page on the App Store

User feedback

Ratings and reviews on the App Store

Comments on Old Japanese Clock for iOS

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Store listing

By Takafumi AMANO, from the App Store
Description by Takafumi AMANO Written by the developer, not by AppBrain. Click to read.
This app serves as a time converter between the current hour system and old Japanese hour systems. It offers two options: a fixed hour system and a temporal hour system.

The fixed hour system includes six different types: Engishiki, Guchureki, Semmyoreki, Semi-Engishiki, Kanagoyomi, and Shichiyoreki. These systems were primarily used from the Nara era through to the Edo era (c. 710–1872).

On the other hand, the temporal hour system encompasses seven types: Temporeki, Koten, Shaku-Sun-Bu (Class 1 and 2), and Three-Divided (Class 1 to 3). These were predominantly used during the late Edo era (1844–1872).

This app proves invaluable when reading Japanese historical documents, adjusting Japanese clocks (Wadokei), or recreating the lifestyle of ninjas and samurais, among other apps. For more detailed information, please visit the developer's website.

■ Exemption from Liability

ASTI shall not be held responsible for any consequences arising from the use of this app. We disclaim all liability for any potential damages, injuries, or losses resulting from app usage.

Safety and technology

Found in the app by AppBrain
Price
$3.99
App size
8.88 MB
Content rating
Everyone

Technologies used by Old Japanese Clock

Releases

Updates seen on the App Store
Version
1.13.4
Launched
April 2014

No changelog data

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Rankings

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This app is not ranked

About the app and developer

About Old Japanese Clock

Old Japanese Clock is a lifestyle app developed by Takafumi AMANO.

What is the rating of Old Japanese Clock?

Old Japanese Clock is rated 5.00 out of 5 stars, based on one rating ratings.

Is Old Japanese Clock free?

Old Japanese Clock costs $3.99. The app size is 8.88 MB. The latest version available is 1.13.4. The last update was on October 22, 2026.

What are the requirements for Old Japanese Clock?

The app has a content rating of Everyone. The app has been available on the App Store since April 2014.

Developer information for Takafumi AMANO

Takafumi AMANO

Address:

Frequently asked questions about Old Japanese Clock

Is Old Japanese Clock free?

No. Old Japanese Clock costs $3.99 on the App Store.

Is Old Japanese Clock still available?

Yes. Old Japanese Clock is on the App Store, and the last update we saw was on October 22, 2026.

How large is Old Japanese Clock?

Old Japanese Clock is 8.88 MB.

Is Old Japanese Clock suitable for children?

App Store rates the content of Old Japanese Clock as suitable for everyone.

How do people rate Old Japanese Clock?

Old Japanese Clock has one rating of 5.00 stars on the App Store.

Who made Old Japanese Clock?

Old Japanese Clock was developed by Takafumi AMANO. It is listed in the lifestyle category on the App Store.

What are the best alternatives to Old Japanese Clock?

People looking at Old Japanese Clock also look at these lifestyle apps: PocketWatch - 3D Clock, 中日本エネルギーの【定額洗い放題】, Koyomi, Chime Clock, エゴグラム.

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