12-hour world clock is a personalization app developed by Vlad Simionescu.
Download Statistics
12-hour world clock has been downloaded 13 thousand times. In the last 30 days, the app was downloaded 160 times.
User Ratings
12-hour world clock is rated 3.57 out of 5 stars. The rating is based on 46 ratings.
App Information
12-hour world clock is FREE to download. The APK download size is 10.46 MB. The latest version available is 3.0.1. The last update was on October 16, 2025.
Technical Requirements
12-hour world clock requires Android 4.4+ or higher. The app has a content rating of Everyone. The app has been available on Google Play October 2016.
Description
The best watch available today, right on your phone or tablet - about 100% accurate (if you sync your device with a time server, which is very easy, see Settings / Date & time / Automatic date & time) - shows the time anywhere on the globe - and it looks good too.
Highlights: - analog world clock app - world time at a glance - the app that turns your phone into a beautiful pocket watch - optionally shown on the Android lock screen (recommended), see details below - for now the app is in English only - it has no special permissions (for instance it cannot read the hard disk), this can be checked; so it's safe for privacy
!! Important warning: Showing the clock on the lock screen (SOLS) is probably the coolest app feature. But it does increase the battery consumption. Based on a few tests I've done on my own devices, I estimate that on a normally used phone the increase is about 10%. Which is rather little; it means that for instance, if you normally charge your phone every 5 days, with SOLS active you'll have to do it every 4 1/2 days. Of course on some devices it can be more. If you find that it's too big for your taste, the app is free so you know what you have to do. (Or you can just disable SOLS; then the battery consumption will come back to normal. By default it is disabled. ) See more details about SOLS below and in the app help.
This app is mainly a shortcut to a site that provides a 12-hour world clock. Note: The lock screen clock display (if selected) is offline, it will work also without an Internet connection. This is an original design for a world clock, that features some 50 city names written on a normal (analog) 12-hour clock face, based on their time at any given moment. When the hour changes, the position of the towns on the clock face changes accordingly. Thus, the position on the clock face gives the time for each city. To distinguish between AM and PM time, a simple color scheme is used. The fact that the clock face is a regular 12-hour one is novel. Up to this app there were (and still are) 24-hour world clocks in use, but obviously they're much more cumbersome. See the app help for a detailed explanation of how it works. The time shown by the clock is based on the system time and time zone settings. ----------------------------------- If you enable the show on lock screen option (by default it is disabled), the app draws the world clock on the lock screen. This is in effect a live wallpaper, though technically it isn't one, but it acts like one. That's because I found that the live wallpaper technology has limitations, it doesn't work well on many devices. I hope the way I did it it will work on most. If you need to see the cities bigger, you can press on the LS notification (if you enabled notifications for the app). It will bring you directly to the app window (after you supply a fingerprint or password to unlock the phone). There you have the usual zoom in / orientation change options to enlarge the display. The position (height) of the clock on the lock screen can be changed to fit your needs. See details in the help for all these points. ----------------------------------- This app is especially handy for seeing the world time on smartphones and tablets. As said above, it can even show it on the lock screen, and then quickly get you to the app window where you have more features. It also provides support (hints and maps) for easily finding the time zone / representative city of any place in the world. ----------------------------------- There are 12 clock styles, they are shown in the app entry's pictures. For most of them there's a dark face and a light face version.
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