On completion of installation, World Clock will automatically run. Later, it will auto-start every time you enter Windows. World Clock starts automatically after installation
Automatic start can be disabled on the General page in Preferences. Use the Auto-start on Windows logon checkbox to control automatic start. World Clock Preferences - control automatic start of World Clock
Note: Autostart will not work when your operating system runs in safe mode. This is because Windows ignores HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run entries in this mode as explained here. When World Clock determines if you run in safe mode, it disables the Autio-start control.
Starting World Clock Manually
When World Clock is not running, you can start it manually.
On Windows 7 and earlier - use the Windows Start button (Start - All Programs - Anuko World Clock).
On Windows 8 - click Anuko World Clock icon on the Start screen.
Click Anuko World Clock icon on Windows 8 Start screen to launch it
Exiting World Clock
It is not necessary to close World Clock, as it will safely shut down on its own, when you exit Windows. If you need to immediately exit the program, select the Exit option from the right-click menu from any clock. Click the Exit option on World Clock right-click menu to terminate it
For installations without system clock replacement such as on Windows 10, Windows 11, or when a desktop clocks only template without Windows Explorer hook is used, you can exit the program by using the Exit menu on World Clock icon in system tray, which looks like a double hour glass. World Clock icon in taskbar World Clock User Guide