Any of the calendar views on the backend will allow displayed events to be previewed by clicking on the title of the event. Furthermore, actions can be taken on each event such as editing, un-publishing, or re-publishing an event.
After finding the event you would like to edit, click on the event title, click edit, make the desired changes to the event fields, and “save and publish” the event to make those changes on the live site.
If the event is part of a scheduled/recurring series of events, then the modification of the event cycle can be to break away a single event, or modify the times/days of events in the entire series of events.
