To fully understand how servicehost.exe works, we should know the DLL mechanism. DLL, the short form of Dynamic Link Library, is a file that contains code, data, resources, etc. that programs and services use on Windows 11.
Go to the Windows Settings using the shortcut Win Key +I. Select Time and Language. Click on Date & Time. Under Additional Settings, dropdown Show Additional Calendars in the Taskbar. Choose the Additional Calendar according to your region. That's it.