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Zham

Offline world clock with a home-screen widget and time-zone converter.
Zham is a clean, fast world clock — see the time across the world, on your home screen, with a built-in time-zone converter.

Features:

* World clock — track the current time in as many cities as you like, with live seconds and country flags.
* Easy to manage — search 600+ time zones to add a city, swipe to delete, drag to reorder.
* Time converter — scrub a time and date to see the matching moment everywhere at once; pick any city as the reference and spot day rollovers at a glance (+1d / -1d).
* Make it yours — Light / Dark / System theme and any accent color, via a colour wheel.
* Home-screen widget — resizable, scrollable, matches your theme, and self-updates every minute.
* Flexible format — 12-hour / 24-hour presets, or your own custom pattern.

Zham runs entirely offline: no accounts, no network access, no tracking. Your cities and settings never leave your device.
  • app screenshot
  • app screenshot
  • app screenshot

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.

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  • Version 1.1.2 (4) suggested Added on Jul 05, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 8.0 or newer.

    It is built and signed by the original developer, and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • run foreground service
      Allows the app to make use of foreground services.
    • 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.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • io.github.haykh.zham.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 8.6 MiB PGP Signature | Build Log

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