Event repeat every six days

Thanks for letting us know, haroon198,

You can also create repeat events on your iPhone in the Calendar app. You can learn more here: Create and edit events in Calendar on iPhone

Cheers!

Hi haroon198,

Welcome to the Apple Support Communities!

We understand that you'd like to set up a repeating calendar. If you're using a Mac, you can follow the steps outlined here to do so: Set up or delete a repeating event in Calendar on Mac

We hope this helps.

Take care!