Use APKPure App
Get timezone widget old version APK for Android
You can place timezone on the widget.
You can add analog clocks, digital clocks, clock colors, set time zones for each country, and save each clock individually and load multiple clocks into the widget.
Here's how to set up the widget:
On the home screen, press and hold the menu,
Then click on the widget and drag it to the desired location (depending on your device).