What’s new
* A bug is fixed where location selection would crash the app on systems with non-English locale.
Quick answer
A clock for solar time in the octal number system
A clock that shows the octal solar time of your chosen location.
Octal solar time is a location-specific time system that defines a day as the time between two consecutive solar midnights. Known to contain 24 hours in the regular clock system, a day is divided into 8 equally long octal hours. Each octal hour is divided into 64 equally long octal minutes. Each octal minute is divided into 64 equally long octal seconds.
The clock is visualized by an hour finger that runs one cycle per day, with 0 (solar midnight) at the bottom and 4 (solar noon) at the top. In addition, the octal hour and minute is also shown digitally as a three-digit octal number in the center. A golden arch visualizes the time between sunrise and sunset.
Locations can be managed and chosen. Locations can be added by an online search function backed by wikidata.
Privacy notice: When using the location search function, the app connects to a wikidata server and shares your typed search term in order to get search results. This is the only situation when the app uses internet connection.
Screenshots
How to install
- Download the APK from the button at the top of this page.
- Allow “Install unknown apps” for your browser or file manager only, not for every app.
- Open the downloaded file and confirm the installation.
- If installation fails with “App not installed,” remove an earlier build of the same app first. A signature conflict is the usual cause.
Data safety
- Every file is checked against its published SHA-256 before it is listed.
- Files are scanned for malware on every update.
- The permissions each app requests are listed on its own page.
- Read the full safety policy for how we test, flag, and delist files.
Frequently asked questions
What is Octal Sun Time?
A clock for solar time in the octal number system
Who develops Octal Sun Time?
Octal Sun Time is developed by Manuel Bichler.
Which Android version does Octal Sun Time require?
Octal Sun Time requires Android API 26 or later.
What is the current version of Octal Sun Time?
The synchronized F-Droid version is 0.2.1.
Which license does Octal Sun Time use?
The signed F-Droid metadata lists GPL-3.0-only.
Where is the source code for Octal Sun Time?
https://github.com/votacom/octalsuntime
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