I duplicated a calendar and renamed it to work with a different service. The service I set up is a week-long (7 days) and only available to book every other week. However, the cloned calendar is showing availability to book only on Sundays, which is fine, and the original shows as available all week on alternating weeks. I would actually prefer it to show only the first Sunday of the week. All of the settings remain unchanged. I noticed the duration length for the clone (only Sundays showing) is "7 days" while the service duration for the original is "7 working days". Not sure where the difference lies.
Above is what the original calendar looked like.
Above is what the cloned calendar looks like. No settings have been changed.