So if there is no other metadata date in the movie, as a last resort Photos.app 4.0-7.0 gets it from the file creation date. This tag is always present in mp4, m4v and mov H.264 and H.265 HEVC movies. (Notice that if the date tag lacks the timezone suffix like +02:00, Photos.app 6.0 scrambles the year to something like '5828963' or otherwise displays wrong date for mp4 and m4v)).ģ. Some iOS movies have this tag but I don't know when it is generated. This tag is not so important because that 'Keys' date tag should override it. (Notice that if the date tag lacks the timezone suffix like +02:00, Photos.app 6.0 scrambles the year to something like '5828963' or otherwise displays wrong date for mp4, m4v and mov).
iOS (8.4)-9 or newer movies have this tag.
Exiftool mac default location movie#
Photos.app 7.0 (macOS 12 Monterey) and Photos.app 6.0 (macOS 11 Big Sur) grab the date in the following order from mp4, m4v and mov movie metadata tags (Photos.app 5.0 in macOS 10.15 Catalina is about the same, and Photos.app 4.0 in macOS 10.14 Mojave behaves slightly differently). Unfortunately there is no standard for movie metadata dates like there is for images (support for Captions and Keywords is even worse). I hope this helps someone with errors in movie dates.
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