Although you did already seem to solve this, you might have gone for `exiftool` that comes with the module. Especially the Date/Time Shift Feature section of the documentation seems helpful ;)

--
b10m

In reply to Re: (Solved) Change "Date Picture Taken" with Image::ExifTool by b10m
in thread (Solved) Change "Date Picture Taken" with Image::ExifTool by Limbic~Region

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