Use the Calendar app at the top of the screen.
Enter the title of the event.
Tap Location or Video Call, then enter a physical location or tap FaceTime to enter a video link for a remote event.
You can also copy a FaceTime link you created or received and paste it in the Location field. See > Calendar > Siri & Search.
Turn on Show Siri Suggestions in App to allow Siri to suggest events found in other apps.
To allow Siri to make suggestions in other apps based on how you use Calendar, turn on Learn from this App.
You can change the time of an event and any of the other event details.
Change the time: In day view, touch and hold the event, then drag it to a new time, or adjust the grab points.
Change event details: Tap the event, tap Edit near the top right, then in the event details, tap a setting to change it, or tap in a field to type new information.
In day view, tap the event, then tap Delete Event at the bottom of the screen.