Vacation, a busy week, or the same hours across several days. Existing appointments are never removed.
Clients can only book during these hours. "Last appt" is the latest start time. To take off a single day, block it on the Calendar tab instead.
Shown on the booking page. Times sooner than this are hidden from clients.
Included in the "Confirm & text" and reminder messages. It's never shown on the public website.