Say "Add a meeting to my calendar," or "Move my 12:00 meeting." and it will take care of the rest. Siri will ask for any missing info along the way.
Let Siri manage your calendar events
NEXT TIP
Reschedule an event with ease
Tap & hold, then navigate to the new day using a second finger and release your event.
TIP FROM
7 iPhone Calendar App Features for Better Event Management
How to use Siri with Calendar, drag-and-drop events, Focus filters, and share calendars on iPhone