Exiftool ver 12.13+ will automatically add the local time zone if one is not included when writing. This type of information is formatted according to the TIFF specification, and may be found in JPG, TIFF, PNG, JP2, PGF, MIFF, HDP, PSP and XCF images, as well as many TIFF-based RAW images, and even some AVI and MOV videos. The tables listed below give the names of all tags recognized by ExifTool. Also of note is that Apple Photos will display wildly inaccurate time if the Quicktime:CreationDate or Quicktime:DateTimeOriginal tags do not include a time zone. EXIF stands for 'Exchangeable Image File Format'. It includes a timezone, is supposed to be set to the local time where the video was taken, and is part of the QuickTime Keys Tags. The trouble is that some cameras do not adhere to the specs, so the time that appears in the above tags may not at first seem to be the correct time.ĬreationDate is obviously different. To confirm, run exiftool -a -G1 -s grep JFIF. To see this, run exiftool -a -G1 -s on files created with mogrify -strip and exiftool -all.JFIF tags, including JFIFversion are inserted by imagemagick option -strip. See fourth paragraph on the Exiftool Quicktime tag page. There might be a problem with this answer. ![]() One thing to take note of is that these three tags are supposed to be recorded in UTC time. Something that might pop up if your editing various video clips together. Video metadata isn't my expertise, but I would guess that Track/MediaCreateDate leaves open the possibility of keeping track of an earlier created video/sound track and muxing them together for a final product. Additionally, if you add -a to your command, you will probably see that TrackCreateDate and MediaCreateDate are duplicated, one for each track in the file (video, audio, etc).ĬreateDate is probably the most accurate, but if the video is coming directly from a digital camera of some sort, it is probably the same value as TrackCreateDate and MediaCreateDate. ![]() You can add -G1 to your command to see the group they belong too. One minor nitpick, these tags are not EXIF tags, they are Quicktime tags (all EXIF is Metadata, but not all Metadata is EXIF).
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