Old Japanese Clock1.13.3 - App Store
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Publisher Description
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This app proves invaluable when reading Japanese historical documents, adjusting Japanese clocks (Wadokei), or recreating the lifestyle of ninjas and samurais, among other apps.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.
Version History - Fixed bugs. 1.13.3 12/19/2025 - Fixed bugs. 1.13.2 12/12/2025 - Fixed bugs. 1.13.1 11/13/2025 - Supported iOS 26. 1.13 11/12/2025 - Improved UI.
- Fixed bugs. 1.12 04/28/2025 - Supported iOS 18. 1.11.2 10/23/2024 - Fixed bugs. 1.11.1 03/07/2024 - Supported Widget. 1.11 03/02/2024 - Revised city lists. 1.10.8 12/19/2023 - Supported iOS 17.
- Revised description. 1.10.7 09/27/2023 - Modified animation.
- Revised city lists. 1.10.6 12/07/2022 - Supported iOS 16.
- Supported Split View.
- Revised city names. 1.10.5 09/22/2022 - Fixed bugs. 1.10.4 05/30/2022 - Supported iOS 15. 1.10.3 10/22/2021 - The final version to support iOS 9–11. 1.10.2 05/27/2021 - Added setting items. 1.10.1 02/04/2021 - Improved user interface.
- Supported landscape mode on iPhone. 1.10 10/31/2020 - Supported iOS 14. 1.9.12 10/06/2020 - Fixed bugs. 1.9.11 01/02/2020 - Fixed activity indicator color. 1.9.10 10/05/2019 - Supported Dark Mode. 1.9.9 09/28/2019 - Supported iOS 13. 1.9.8 09/24/2019 - Supported iOS 12.
- Fixed bugs. 1.9.7 07/02/2019 - Fixed a bug that the table protruded from the screen in a specific device environment. 1.9.6 07/30/2018 - Fixed Canberra's location. 1.9.5 06/28/2018
About Old Japanese Clock
The company that develops Old Japanese Clock is Takafumi AMANO. The latest version released by its developer is 1.13.3.
To install Old Japanese Clock on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-15 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Old Japanese Clock as malware if the download link is broken.
How to install Old Japanese Clock on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the Old Japanese Clock is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After Old Japanese Clock is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 1.13.3
posted on 2026-10-15
Version History - Fixed bugs. 1.13.3 12/19/2025 - Fixed bugs. 1.13.2 12/12/2025 - Fixed bugs. 1.13.1 11/13/2025 - Supported iOS 26. 1.13 11/12/2025 - Improved UI.
- Fixed bugs. 1.12 04/28/2025 - Supported iOS 18. 1.11.2 10/23/2024 - Fixed bugs. 1.11.1 03/07/2024 - Supported Widget. 1.11 03/02/2024 - Revised city lists. 1.10.8 12/19/2023 - Supported iOS 17.
- Revised description. 1.10.7 09/27/2023 - Modified animation.
- Revised city lists. 1.10.6 12/07/2022 - Supported iOS 16.
- Supported Split View.
- Revised city names. 1.10.5 09/22/2022 - Fixed bugs. 1.10.4 05/30/2022 - Supported iOS 15. 1.10.3 10/22/2021 - The final version to support iOS 9–11. 1.10.2 05/27/2021 - Added setting items. 1.10.1 02/04/2021 - Improved user interface.
- Supported landscape mode on iPhone. 1.10 10/31/2020 - Supported iOS 14. 1.9.12 10/06/2020 - Fixed bugs. 1.9.11 01/02/2020 - Fixed activity indicator color. 1.9.10 10/05/2019 - Supported Dark Mode. 1.9.9 09/28/2019 - Supported iOS 13. 1.9.8 09/24/2019 - Supported iOS 12.
- Fixed bugs. 1.9.7 07/02/2019 - Fixed a bug that the table protruded from the screen in a specific device environment. 1.9.6 07/30/2018 - Fixed Canberra's location. 1.9.5 06/28/2018
version 1.13.3
posted on 2025-12-19
- Fixed bugs.
version 1.12
posted on 2025-04-28
Apr 28, 2025
Version 1.12
- Improved UI.
- Fixed bugs.
version 1.11.2
posted on 2024-10-23
Oct 23, 2024
Version 1.11.2
- Supported iOS 18.
version 1.11.1
posted on 2024-03-07
Mar 7, 2024
Version 1.11.1
- Fixed bugs.
version 1.10.8
posted on 2023-12-19
Dec 19, 2023
Version 1.10.8
- Revised city lists.
version 1.10.7
posted on 2023-09-27
Sep 27, 2023
Version 1.10.7
- Supported iOS 17.
- Revised description.
version 1.10.6
posted on 2022-12-07
Dec 7, 2022
Version 1.10.6
- Modified animation.
- Revised city lists.
version 1.10.4
posted on 2022-05-30
May 30, 2022 Version 1.10.4
- Fixed bugs.
version 1.10.3
posted on 2021-10-22
Oct 22, 2021 Version 1.10.3
- Supported iOS 15.
Disclaimer
Official App Store Link
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