Detect if the current day have any events using EventKit

I was wondering how can I detect if a certain day have events using EventKit, without fetching the events. To display something like that:/Users/eng.omarelsayed/Downloads/IMG_D9B141B15D79-1.jpeg

the dots under each day, which represent that this day contain event in it.

the view I am trying to do

Detect if the current day have any events using EventKit
 
 
Q