Booking length!

[JohnF]

Select a date then look to the right hand side of the page, just above “Private note” there should be an option “Rule-sets”.

Maybe you need the multicalendar enabled, if so:

Multiple listings calendar

Still here for me. If it’s gone, try going here: https://www.airbnb.com/host/professional Scroll down to “Work the way you want” and click on “use the tools now”, this appears to have worked for others that have lost the multi calendar. JF

JF