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iPhone movies showing incorrect time stamps in iPhoto?

1567 Views 10 Replies Latest reply: Jun 28, 2013 10:16 AM by KevinGarnett RSS
KevinGarnett Level 1 Level 1 (5 points)
Currently Being Moderated
Jun 8, 2012 4:50 PM

I imported about 700 photos/movies taken with the iPhone 4S into iPhoto, taken over the course of a 16-day trip.

 

The movies have incorrect time stamps, and are thus sorted out of order according to their file numbers (ie, a movie with the filename IMG_1000 shows up between IMG_0932 and IMG_0933 when the files are sorted by date/time).  So somehow the time stamp generated by the phone is incorrect, or iPhoto is reading the data wrong.

 

I appears that the videos have the right day, but are somehow randomly grouped towards the beginning of each day, so the times are wrong.

 

Any thoughts about this?  Am I missing something?

 

Thanks in advance...

 

iPhoto 9.2.1 ('11), in Lion 10.7.4

  • LBSGuy Level 1 Level 1 (5 points)

    I've been seeing this behavior as well. The iPhone movies AND screen shots are showing the correct time for the Central Time Zone (where I live) even though they may have been shot while in another time zone. Normal pictures taken with the iPhone show a date stamp that reflects the local time where the pictures were taken.

     

    This may be an iPnone issue not an iPhoto problem. I'm using iOS 5.0.1 on an iPhone 4...

  • kishke Calculating status...

    I have the same issue, with both iPhone 4S and iPhone 5 running iOS 6.0.1.

     

    When I go to a different time zone and change the zone on my iPhone, the pictures will have a correct time stamp of the local time while both movies and screenshots show the original time of the country of origin.

     

    Very frustrating when merging the pictures/videos with other cameras or friends, since all the videos and screenshots taken with my iPhone(s) have a wrong time stamp and are therefore in a wrong order.

     

    Does anybody have a solution for this problem?

     

    Thanks.

  • LarryHN Level 9 Level 9 (54,810 points)

    THis is not an iPhoto issue but an iPhone issue - ask in the iPhone forum

     

    iPhoto can correct the time/date using either the adjust time/date command or the batch change time/date command depending on the situation

     

    LN

  • Old Toad Level 10 Level 10 (112,980 points)

    Video files do not contain the EXIF Capture Date field that photos from a digital camera conmtain which iPhoto uses for dating.  Therefore iPhoto uses the file creation  date.  Now if that date is off then the problem lies with the app or device that created the file originally and added the date.

     

    Have you tried the Photos ➙ Batch Change ➙ Date menu option on the videos to change the date to what you need.

    all the videos and screenshots taken with my iPhone(s) have a wrong time stamp

    The iPhone is putting the time stamp on the screenshots and videos at the time they were made. iPhoto has nothing to do with it.  That's why you should ask in the iPhone community to see if there's a fix.

  • Old Toad Level 10 Level 10 (112,980 points)

    I just ran another test and the iPhone video I took imported with the correct date.

     

    Should have suggested this initially:  launch iPhoto with the Option key held down and create a new, test library.  Import some videos from your iPhone and check to see if the same problem persists. If it doesn't then your current library is the culprit.

     

    If it does try another test:  log into another user account on your Mac and import the videos into a library there. Report back with the resutls.

  • LBSGuy Level 1 Level 1 (5 points)

    Could it be that the iPhone uses UTC rather than local time for file creation dates? If this is so then iPhoto would have NO way of knowing what the local time zone was at the time the video file was created. So it just calculates the time based on the UTC file timestamp and the local offset in use on the Mac at the time of importation.

     

    Yes? No?

     

    This would explain the behavior I consistently experience...

  • Old Toad Level 10 Level 10 (112,980 points)

    I have no idea. 

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