How to share an iCloud calendar on iPhone, iPad, and iPod touch | Apple Support

To share an iCloud calendar, open the Calendar app and tap “Calendars.” Ensure iCloud settings are enabled. Select the desired calendar and tap the info button, then choose “Add Person.” Specify recipients and confirm. Note that invitees must use iCloud for calendars. When recipients receive the invite, they can access it from their inbox and join the shared calendar.

Summary:
– Open Calendar app and tap “Calendars.”
Ensure iCloud settings are enabled.
– Select desired calendar, tap info button, choose “Add Person.”
– Specify recipients and confirm.
– Invitees must use iCloud for calendars; join via inbox upon receiving invite.