Tap the Home Button > the Apps icon > Calendar .
Tap the Calendar menu icon to change the calendar view (Day, Week, Month, Year, or Agenda).
Tap the date you want to add an event to and tap the New event icon .
Tap the Event name field and enter the event name.
Tap the Location field and enter the location. Check the date and enter the time you wish your event to start and finish.
Mark the All day box, if applicable.
Tap More to enter additional options such as Repeat, Guests, Description, Reminders, Show me as, and Privacy, as necessary.
Tap SAVE to save the event in the calendar.
To quickly save an event, triple-tap (or touch and hold) the date on the calendar (day, week, or month view).