Time blocks and accurate week display not working?

Hello,

I’m having a few issues with Calendar.

1. I have no problem entering all-day appointments, however, when I input an appointment that has a time range, the input box does not disappear. If I click create again, the appointment says it is conflicting with the same appointment. At this point if I click discard, the appointment is nowhere to be found, but so too if I click ignore conflict. If I try recreating, the process is the same. This happens every-time I create a time block appointment. Please see pictures, attached.
2. In week and workweek view, appointments do not display on the correct start day (see picture), however, they display correctly in day view so this is not an insurmountable issue for me.
3. Finally, what is supposed to display in the Appointments widget? I’ve entered several appointments in calendar and my Appointments widget continues to be empty. I’m not sure if this is an issue or if how it works versus my expectation are not aligned.

Thank you!