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iPhone users suffer bad time switches in DST rollover

updated 01:30 pm EDT, Mon March 14, 2011

iOS time issues still unfixed

A number of iPhones did not properly transition to daylight savings time over the weekend, according to complaints. Like Mac OS or Windows, iOS normally advances an hour automatically during the DST changeover. In some cases however people say that their iPhones flipped an hour behind, or even an hour further ahead than the right time. In Arizona, for instance, an hour may have been tacked on despite the state not obeying DST.

Apple has failed to fix recurring glitches with timekeeping in iOS, mainly in relation to alarms. Some alarms didn't go off on January 1st this year, and still more troubles with DST transitions occurred prior to that. Apple at least twice promised to fix such errors in 2010.






by MacNN Staff

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  1. kdogg73

    Joined: Dec 1969

    0

    I

    did not.

  1. testudo

    Joined: Dec 1969

    +1

    Um

    Isn't there a simple switch in the damn system preference whether you want to observe daylight savings time?

    Apparently not, if my iPod is any indication. So if the phone is set to set the clock automatically, isn't it the carrier who's sending the info to the phone for correct time?

  1. pickerin

    Joined: Dec 1969

    +4

    iPhone 4 and iPad Both Fine

    EDT.
    iPhone 4
    iPad 1
    AT&T Service on both.
    iOS 4.3

    Both flipped forward an hour as expected. So did wife's iPhone 4.

    Under Settings -> General -> Date/Time if you have it set to automatically, then the time is set by the carrier. My AT&T phones were fine (maybe glitch is with Verizon?) If "Set Automatically" is set to Off, then you are responsible for picking the correct Time Zone (and setting the time and date).

    Under Settings -> Mail, Contacts, Calendars, scroll to the bottom and you'll find "Time Zone Support". Mine is set to Off. If it's On, then your phone "always shows event dates and times in the time zone selected for calendars. When off, events will display according to the time zone of your current location". So, make sure this is set as expected.

  1. vallette

    Joined: Dec 1969

    +1

    Not specific to iPhones

    My iPhone on AT&T was fine but a coworker with a Verizon Android phone of some type had issues.

  1. climacs

    Joined: Dec 1969

    +1

    didn't happen here; due to shutoff???

    I happened to fly from Chicago just after the DST switch Sunday morning to Phoenix, which as noted above does not observe DST.

    My iPhone 3GS (current version of iOS) handled the switchover just fine between the time I went to sleep around 12:30am and when I awoke at 5am Sunday.

    I *did* have to shut the phone off prior to take off; I also put it in airplane mode before shutting it down. When we landed at PHX, I turned on the phone and it still showed Chicago time. I took it out of airplane mode, it found the network and I saw it shift to the correct time (2 hours earlier).

    I am wondering if those who had problems, it would have been 'fixed' if they had shut down and restarted? Not that you should have to do that. Perhaps it takes the device communicating with the network for the correct time, and that doesn't necessarily happen often enough to avoid the incorrect DST issue? Or perhaps it is related to having a current version of iOS; Congress changed when DST starts and ends a couple years ago and not all devices were immediately aware of the new dates.

  1. wg45678

    Joined: Dec 1969

    +1

    I'm in AZ and no problems here.

    No problems here is iPhone 3 (iOS 4.2.1) set to automatic; iPad (iOS 4.3) set to Phoenix. FYI, not all of AZ ignore DST. The NE part of AZ does observe DST as the Navajo nation spans AZ and NM.

  1. climacs

    Joined: Dec 1969

    +2

    Another reason

    I know someone with some BB phone, she had the issue because she had just gotten a replacement phone and had set the phone to "Mountain time" rather than "Arizona". Even though Arizona is in the Mountain time zone, if the user does not select "Arizona" then the device will switch to MDT, not stay in MST when everyone else changes.

    Sounds to me like this is a vastly overblown problem, like the iPhone 4 antenna issue and Y2K.

  1. hayesk

    Joined: Dec 1969

    +1

    Hmm...

    ...I wonder how many people had wrong time zones set, and set their clock wrong to compensate for their wrong time zones?

  1. ezylstra

    Joined: Dec 1969

    0

    No problem

    No problems in my two iPhone home. iOS 4.2, iPhone 4, CDT.

  1. Flying Meat

    Joined: Dec 1969

    +1

    No problem here with 3Gs

    and latest iOS. Set my non-networked clocks from it after I woke up. Seems to be overblown...

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