Just give me a complete solution day-pilot.
You can use dayBeginsHour and dayEndsHour properties, please see an example here: https://doc.daypilot.org/calendar/overnight-scheduling/
Thank you so much. now I want to hide my none business hours. still, it is showing a scroll bar but I don't want any scroll bar. i'm uing angular 6. i added shownonBusiness: "false". but it's not work.