Change default settings for events
You can change the default length, reminder times, and snooze intervals for your events or meetings.
In the Calendar app, swipe down from the top of the screen.
Settings > General.
• To change how long your meetings are scheduled for, in the Meeting Duration drop-down list, tap a new duration.
• To change the default reminder time for events, in the Meeting Reminder or All-Day Meeting Reminder drop-
down list, tap a new time.
• To change the snooze intervals, in the Snooze Interval drop-down list, tap a new snooze time.