I have many calendar events (often created by someone else with whom I share a calendar) which span several days, but which have specific start and / or stop times on the first and last day.

In google calendar, these would appear as a single "all day" item spanning all included days, in both month and week views.

My suggestions for Business Calendar are as follows:

For Month view. Option to show "multi day" events the same as "all day" events. So, the event title only shows once and spans the whole event, instead of title appearing on first day, then again for the "all days" and again on last day. This would help to show that this is a single event. If the first and last day background color could be slightly different shading (maybe hatched or dull), to reinforce they are partial days then even better.

For Week view, I would like to see these "timed" multi day events block out the whole day for each full day, rather than just appear in the all day bar, as has been proposed in the idea titled "Give a choice for whole-day events to show in top bar OR across the whole day"