Bad DateTime Format for day events

[aggr0lite]

I tried to use your library and seem to run in an issue where your code throws an error when dealing with events which last a whole or multiple days. I don't know if it has to do with the setting in google calendar where you can check the "All day" event box:

The iCalendar content looks different here for the event start date: DTSTART;VALUE=DATE:20230514 --> Throws an error: ValueError: Bad datetime: "20230514"

Common events look like this: DTSTART:20230511T113000Z

Is this format simply not supported and could be covered by Libical for example, which you referred to?