DO NOT DISTURB
In Notification Center’s settings,
click Do Not Disturb to set the hours between which you want
not to be interrupted by notifications. You can also choose to mute them in scenarios such as when giving a presentation.
View your notifications
To open Notification Center, click the icon at the far-right of the menu bar. You’ll see today’s date and a list of appointments. To view details of an appointment, just click its entry in the list and the Calendar app will open and show you the full details of that event.