Thanks Roman.  I played around a bit with this module, but as far as I
can tell it seems to only be good for shifting by a maximum of 99
hours (2 digits of hours).  The date in some of my photographs are off
by a week or more, which is more than the maximum 99 hours that it
lets you input.  I see that I can just keep pressing the checkbox to
apply 99 more hours and it appears to handle that correctly, though
this is a somewhat tedious way to do this.  I have one set of images
that have a date of sometime in 1999, so I'll have to press that
checkbox many times for it.

Additionally, the offset applied this way is only kept in the library
database, not in the XMP files.  I'd much prefer a solution that
captures this offset in the XMP files.

Scott

On Fri, Mar 31, 2017 at 11:46 AM, Roman Lebedev <[email protected]> wrote:
> On Fri, Mar 31, 2017 at 9:26 PM, Scott <[email protected]> wrote:
>> My camera had the wrong date set so the exif date is wrong on my raw
>> files.  I know I shouldn't use exfittool to correct it in the RAW file
>> as I risk ruining in the future, but I'd like correct the date in my
>> jpg exports from DT.
> Are you aware of https://www.darktable.org/usermanual/ch02s03s09.html.php ?
> You can 'shift' the time for raw images.
> To be noted, it only changes the raw time in library, not in the raw
> files themselves.
>
>> Is there any way to change the exif date of exported images in
>> darktable?  I know I can do it with exiftool afterward, but it would
>> be nice if I could just do is straight from within DT.  A nice
>> drop-down calendar that you could select the date from would be nice.
>> My camera is probably slowly dying as it seems to randomly change the
>> date and I often forget to reset it each time I go to shoot.
>>
>> -Scott
> Roman.
>
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