It is possible to hide non-business hours from the Scheduler timeline. The definition of non-business hours is automatically resolved, either at the hour level (e.g., 9 AM - 6 PM) or the day level (e.g., work week), depending on the chosen scale. Read more about hiding non-business hours.
Scale:
Note: Business hours can be forced in day-scale mode as well (use showNonBusinessForceHours: true).