iPhone Daylight Savings Time Bug Strikes Again


iPhone Clock

The Day Light Savings (DST) started in the US few hours back when the clocks moved forward from 1:59 am to 3:00 am.

However, some iPhone users are reporting all sorts of problems with the DST changes. 

TUAW reports:

Several readers report that rather than jumping forward an hour last night as expected, their iPhone clocks actually shifted in the wrong direction — back an hour — because the automatic time zone adjustment went wonky. A reader in Nashville has a phone that thinks he’s in Mountain Time; a reader in Florida’s phone is convinced it should be on Chicago time. Our colleague Mel Martin lives in Arizona, which mostly does not observe DST at all; nevertheless, his phone (which had automatic time zone settings & location settings on) incorrectly jumped forward one hour.

This meant that the iPhone alarms went off at the wrong time for some of the users. This is not the first time that iPhone has been hit by the time bug, iPhone alarms had stopped working when we entered the new year and a DST bug had also affected iPhone users in 2010 and 2011.

In most cases, restarting the iPhone or enabling/disabling “Set Automatic” (timezone) settings (Settings->General->Data & Time) resolves the issue. It is also possible that some of these users are on an older version of iOS, which doesn’t include a fix for the DST issue. So if you depend on your iPhone alarm clock then please be aware of the issue and possible workarounds to fix it.

Were you affected by the issue or your iPhone clock moved forward by an hour just fine? Let us know in the comments.

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