Do Not Disturb Settings | GET Data Music

Do Not Disturb Settings

With Do Not Disturb, you can silence calls, alerts, and notifications that you get while your device is locked.

iOS 9.2

Set as follows:

Turn Do Not Disturb on.
Tap Settings > Do Not Disturb. Choose Manual to turn on Do Not Disturb and set as follow:

When Do Not Disturb is on, a crescent moon , or half-moon, icon will appear in the status bar.