Suntimes
Suntimes is a free, open-source utility app for Android. Sunlight and moonlight information (clock, alarms, tiles, and widgets). It has 449 GitHub stars and is released under the GPL-3.0-or-later license, and you can install it from F-Droid.
- Android
- Java
- Utilities
- Actively maintained
About Suntimes
Tracks sunlight and moonlight times. Features a clock, alarm clock, widget collection, and more. Suntimes displays rising/setting information for the sun and moon. It includes many features commonly associated with a world clock. The times reported by this app are approximate. The app doesn't require network connectivity, GPS is optional. Features: * clock * alarm clock * widgets * tiles Clock * current time (System, Apparent Solar, Local Mean, UTC, or Sidereal time). * time of sunrise, sunset, twilights (civil, nautical, astronomical), and blue/golden hour. * time of moonrise, moonset, apogee/perigee, moon phases and illumination. * time of solstices, equinoxes, and cross-quarter days.
Privacy and F-Droid
F-Droid builds Suntimes from its published source code and flags anti-features such as ads, tracking or reliance on non-free services.
No anti-features flagged on the latest F-Droid build.
Screenshots
Screenshots from the app's F-Droid listing.
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What is Suntimes?
Suntimes is a free, open-source utility app for Android. Sunlight and moonlight information (clock, alarms, tiles, and widgets). It has 449 GitHub stars and is released under the GPL-3.0-or-later license, and you can install it from F-Droid.
Is Suntimes free and open source?
Yes. Suntimes's source code is public on GitHub under the GPL-3.0-or-later license, which is OSI-approved or FSF-free. F-Droid, which builds it from source, flags no anti-features such as ads or tracking on its latest build.
How do I install Suntimes?
You can install Suntimes from F-Droid (package com.forrestguice.suntimeswidget); the links are on this page. Its GitHub repository also publishes releases (latest: v0.17.5).
Is Suntimes still maintained?
The repository's most recent commit was on Sep 28, 2026. Its F-Droid listing was last updated on Aug 31, 2026. appsgit only lists apps whose repository had a commit in the last six months.