Last night I decided to start work on my parents' photos of the holiday. The first step was fixing the timestamps on all dad's photos. You see he hadn't adjusted the clock on his camera, and in fact didn't change it until part way through the Egypt leg. So most of his photos were eight or nine hours out. Then in Egypt he changed the clock - but got the day wrong, so the photos were all one day out.
This little app gets in and adjusts the EXIF data in photos to whatever offset you need it to be. It can also rename the photos as it goes to have the date/timestamp in the filename, which is what I do with all my photos.
So now all his photos should have the correct local time, and match up with all of mine.
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