We offer one class/day at 11:00 AM, but if you are the first person to book a class on a given day, then you get to pick that day's class. If you see 4 class options for a day, then the day is open. If you just see one option, then the day's class has been picked. And, finally, if the day shows no classes, then it is blocked or full. Either way, if you have questions, don't hesitate to contact us. Thank you!