A clean, fast world clock for Android -- see the time across the world, on your home screen, with a built-in time-zone converter.
zham (ժամ)
- 🕐 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 stays in sync as you change your cities.
- ⏱️ Flexible format -- 12-hour / 24-hour presets, or your own custom pattern.
Get it on F-Droid — recommended, with automatic updates.
Or grab the latest zham-*.apk from the Releases page and open it on your phone. Requires Android 8.0 (API 26) or newer; your browser or file manager may ask you to allow installing apps from this source.
Zham runs entirely offline -- no accounts, no network access, no tracking. Your cities and settings never leave your device.
Zham is free software, released under the GNU General Public License v3.0 (or later).
Building Zham yourself? See DEV.md for the NixOS / devenv setup and build workflow.
This app was almost entirely written with Claude


