Some users welcomed in the new year with a bug in iOS 6, which failed to turn off the “Do Not Disturb” feature in iOS after New Year’s Eve. However, in a support article, Apple has stated that the scheduling will once again begin to work properly after January 7, 2013, without a need for an iOS update.
Symptoms
After January 1st, 2013, Do Not Disturb mode stays on past its scheduled end time.
Resolution
Do Not Disturb scheduling feature will resume normal functionality after January 7, 2013. Before this date, you should manually turn the Do Not Disturb feature on or off.
To turn off the scheduling feature, tap Settings > Notifications > Do Not Disturb and switch Scheduled to Off.
In the meanwhile, you can follow the steps above from the Apple support article to turn off the scheduling feature for “Do Not Disturb”, until the problem is resolved.
