You can set the DayStartTime/DayEndTime of the ViewDefinition to a shorter period with a combination of specific MinorTickLength/MajorTickLength values. For Example:
Want to extend the target reach of your WPF applications, leveraging iOS, Android, and UWP? Try UI for Xamarin, a suite of polished and feature-rich components for the Xamarin framework, which you to write beautiful native mobile apps using a single shared C# codebase.