Answered: You can customize the business hours using businessBeginsHour and businessEndsHour propertes. See also: https://doc.daypilot.org/scheduler/business-hours/
Answered: The date picker component can be configured to display multiple months: https://doc.daypilot.org/navigator/months/ They can be arranged vertically or horizontally: https://doc.daypilot.org/navigator/...