How to create a modern calendar view in Teams, SharePoint and Microsoft Lists

How did you create 3 events or more per day? Currently my calendar shares only 2.

How to create a calendar template in Teams?

Can you add different colors to the Calendar for different task? Is there an overlay like the old version

I created this list a month ago with out issue. I went to use it again and the entries are stuck in Unpublished content. Why is this and how can I fix it? Thanks!

If I have a classic Sharepoint Calendar already, how can I make it Modern?

Does this integrate with current Outlook calendars? Or shared calendars?