To share your availability, go to the Share page.
Share your FreeBusy page
FreeBusy will show links to your availability for all email addresses you’ve linked. They all point to the same availability. Select the right email based on your audience.
You can point your audience to a particular duration or date by indicating a preference as shown above.
Share an iCalendar feed
Let your audience subscribe to your availability directly from their favorite calendar app using an iCalendar feed.
It’s not necessary to be a FreeBusy user for someone to subscribe to your iCalendar feed.