Is it possible to get the calendar to start on a Monday.

Keep your Houfy calendar synced with your VRBO bookings by importing your VRBO iCal URL. This prevents double bookings and keeps your availability up-to-date across both platforms.

Go to Edit listing > Calendar Click on ICAL to edit it Change color of the ICAL Click save to save the changes.

To block the dates on Houfy please follow below steps