Apple: 'Do Not Disturb' will remain disturbed until January 7

You might have been one of those who noticed over the New Year that your iPhone 5 wasn't disturbing you.
This was quite some time after it was supposed to disturb you.
And quite some time, even, after Apple had released an ad that celebrated this fine feature.
I would like to disturb you with some news.
Apple support has posted a notice that admits there might be a little problem.
Somehow, the Do Not Disturb function is staying on, even when people thought they had programmed it only for a certain period of time