Here is a quick tutorial with pictures on how you as host can update your availability calendars in 7 easy steps.
1. If you are not already logged in, log in to your listing account
2. On your Dashboard, click on Listings and then on Availability Calendar
5. Select the dates in the date box - the left most box is for arrivals and the box on the right is for departures. Once the dates have been selected, click on the green Apply button
6. Once you've selected your dates, choose what you want your calendar to display by selecting from the drop-down menu
7. Hit the Save button and your calendar will be updated.