The iPhone's internal clock has been notorious for having glitches with Daylight Savings Time. This morning (2 A.M.) marked the Daylight Savings Time "spring forward" of one hour, and there have been numerous reports of the iPhone's clock falling back an hour instead of falling forward.
Complaints starting streaming in via Twitter this morning from users who were not woken up properly by their iPhone's alarm. While complaints vary, the general consensus seems to be that the iPhone's clock fell back an hour at midnight instead of falling forward...