Hi there, Tom! Welcome to the forums and thanks for being a long-time PRO user. 🙂
Good question. By default, the Month View of the calendar will display a multi-day event on each day of that it occurs. So, for example, you will see your event listed everyday on the calendar from March 23 – April 9.
This is different in List View, Photo View and Map View. In these cases, the event will be listed one time and display the date range beneath the title.
Unfortunately, there is currently no way to show just a single instanced of a multi-day event in Month View. One option might be to publish it as a single day event and specify the date rage in the title and description. You could also create it as two events: one for the opening day and one for the closing day. However, the only other supported alternative is to change calendar views.
I’m sorry I don’t have more of a concrete solution for you here, but I hope this at least helps answer your question. Please let me know if you have any follow-up questions.
Cheers!
Geoff