You can edit your default notifications for both regular events and all-day events. You can also choose to be notified with device notifications, emails, or both. Open the Google Calendar app . In the top left, go to the main menu . Choose Settings at the bottom. Choose one of your calendars, like Events. Touch the notification to change or remove it, or touch Add a notification.Your changes sync with your computer notifications. For example, if you chose “60 minutes before” on your phone, you’ll get a pop-up notification on your computer 60 minutes before your event.Sound and vibrate settingsYou can change the sound and vibrate settings for the Calendar app: Open the Google Calendar app . In the top left, go to the main menu . Choose Settings at the bottom. Select General. To change or turn off the sound, switch off Use standard tone, touch current tone, and choose another sound or None. Switch Vibrate on or off.