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Suntimes

Sunlight and moonlight information (clock, alarms, tiles, and widgets).
New in version 0.17.1
Attention: v0.17.0+ breaks older widget installations (#932).
When updating from previous versions your home screen widgets may be removed and will need to be re-added.

- fixes broken moon widgets (#931).
- fixes app crash when dragging world map timeline (#935).
- fixes bug where "custom event offsets are ignored or applied incorrectly" (#940, #941).
- fixes bug "map application not found" (#937).
- fixes bug where `text size` setting is not properly applied (#936).
- fixes miscellaneous `mate
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.
* day/night world map, yearly sunlight, and sun altitude graphs.

Alarm Clock:
* general purpose alarms; full screen alarms, notifications, and quick notifications.
* daily repeating alarms for sunrise, sunset, or other reoccurring events.
* bedtime alarms with support for sleep cycles and do-not-disturb settings.
* gentle alarms that gradually change screen brightness, colors, and volume.
* features for heavy sleepers; math problems, NFC tags (requires SuntimesNFC), and snooze limits.
* automated actions; user-defined intents when alarms are triggered or dismissed.
* other alarms; "roman time" alarms (Natural Hour), midpoint alarms (Interval Midpoints).

The app benefits from the following permissions:
* ACCESS_FINE_LOCATION is used to obtain the current position (latitude, longitude, altitude).
* ACCESS_LOCATION_EXTRA_COMMANDS is used to configure GPS hardware.
* ACCESS_NOTIFICATION_POLICY is used to change do-not-disturb settings at Bedtime.
* BOOT_COMPLETED is used to restore active alarms after a reboot.
* FOREGROUND_SERVICE is used to deliver alarms..
* POST_NOTIFICATIONS is used to deliver alarms..
* REQUEST_IGNORE_BATTERY_OPTIMIZATIONS is used to ensure reliable delivery of alarms.
* SCHEDULE_EXACT_ALARM is used to schedule alarms..
* SET_ALARM is used to interact with the system AlarmClock app.
* USE_FULL_SCREEN_INTENT is used to deliver alarms..
* QUERY_ALL_PACKAGES is used to configure and launch user-defined actions..
* VIBRATE is used by alarm notifications.

With older devices:
* READ_EXTERNAL_STORAGE is used to play alarm sounds located on the SD card (api≤=18 only).
* WRITE_EXTERNAL_STORAGE is used to backup data to file (places, themes, etc) (api≤=18 only).

Note: The "Calendar Integration" and permissions added in v0.9.0 were removed in v0.10.0. This feature is now available as a separate add-on app; Suntimes Calendars.

Visit https://forrestguice.codeberg.page/Suntimes/ for more information.

Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

Download F-Droid
  • Version 0.17.1 (131) suggested Added on Apr 23, 2026

    This version requires Android 4.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • access approximate location only in the foreground
      This app can get your approximate location from location services while the app is in use. Location services for your device must be turned on for the app to get location.
    • access precise location only in the foreground
      This app can get your precise location from location services while the app is in use. Location services for your device must be turned on for the app to get location. This may increase battery usage.
    • access extra location provider commands
      Allows the app to access extra location provider commands. This may allow the app to interfere with the operation of the GPS or other location sources.
    • access Do Not Disturb
      Allows the app to read and write Do Not Disturb configuration.
    • run foreground service
      Allows the app to make use of foreground services.
    • show notifications
      Allows the app to show notifications
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • run at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
    • ask to ignore battery optimizations
      Allows an app to ask for permission to ignore battery optimizations for that app.
    • Schedule precisely timed actions
      This app can schedule work to happen at a desired time in the future. This also means that the app can run when you're not actively using the device.
    • display notifications as full screen activities on a locked device
      Allows the app to display notifications as full screen activities on a locked device
    • control vibration
      Allows the app to control the vibrator.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • set an alarm
      Allows the app to set an alarm in an installed alarm clock app. Some alarm clock apps may not implement this feature.
    • org.codeaurora.permission.POWER_OFF_ALARM
    • suntimes.permission.READ_CALCULATOR

    Download APK 10 MiB PGP Signature | Build Log

  • New in version 0.17.0
    Attention: v0.17.0 breaks existing widget installations (#932).
    When updating from older versions your home screen widgets may be removed and will need to be re-added.

    - adds "Material You" app themes.
    - adds "fancy digital clock" widgets.
    - adds custom events ("shadow factor", "day percent", "moon elevation", and "moon illumination").
    - adds world map projections (Mercator, Mercator equal-area, and Van der Grinten).
    - improves widget configuration (adds "widget preview").
    - improves navigation
  • Version 0.17.0 (130) - Added on Apr 12, 2026

    This version requires Android 4.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • access approximate location only in the foreground
      This app can get your approximate location from location services while the app is in use. Location services for your device must be turned on for the app to get location.
    • access precise location only in the foreground
      This app can get your precise location from location services while the app is in use. Location services for your device must be turned on for the app to get location. This may increase battery usage.
    • access extra location provider commands
      Allows the app to access extra location provider commands. This may allow the app to interfere with the operation of the GPS or other location sources.
    • access Do Not Disturb
      Allows the app to read and write Do Not Disturb configuration.
    • run foreground service
      Allows the app to make use of foreground services.
    • show notifications
      Allows the app to show notifications
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • run at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
    • ask to ignore battery optimizations
      Allows an app to ask for permission to ignore battery optimizations for that app.
    • Schedule precisely timed actions
      This app can schedule work to happen at a desired time in the future. This also means that the app can run when you're not actively using the device.
    • display notifications as full screen activities on a locked device
      Allows the app to display notifications as full screen activities on a locked device
    • control vibration
      Allows the app to control the vibrator.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • set an alarm
      Allows the app to set an alarm in an installed alarm clock app. Some alarm clock apps may not implement this feature.
    • org.codeaurora.permission.POWER_OFF_ALARM
    • suntimes.permission.READ_CALCULATOR

    Download APK 10 MiB PGP Signature | Build Log

  • New in version 0.16.15
    - updates translation to French.
    - updates translation to Norwegian.
  • Version 0.16.15 (129) - Added on Apr 02, 2026

    This version requires Android 4.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • access approximate location only in the foreground
      This app can get your approximate location from location services while the app is in use. Location services for your device must be turned on for the app to get location.
    • access precise location only in the foreground
      This app can get your precise location from location services while the app is in use. Location services for your device must be turned on for the app to get location. This may increase battery usage.
    • access Do Not Disturb
      Allows the app to read and write Do Not Disturb configuration.
    • run foreground service
      Allows the app to make use of foreground services.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • run at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
    • ask to ignore battery optimizations
      Allows an app to ask for permission to ignore battery optimizations for that app.
    • display notifications as full screen activities on a locked device
      Allows the app to display notifications as full screen activities on a locked device
    • control vibration
      Allows the app to control the vibrator.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • set an alarm
      Allows the app to set an alarm in an installed alarm clock app. Some alarm clock apps may not implement this feature.
    • org.codeaurora.permission.POWER_OFF_ALARM
    • suntimes.permission.READ_CALCULATOR

    Download APK 10 MiB PGP Signature | Build Log