I'm having a problem setting the fileModifyDate on a dozen or so files. Please see the example output below and notice that the hour in the fileModifyDate is one hour in front of all the other settings. This behavoir is the same in reverse - if I use the fileModifyDate to set the createDate, it loses an hour.
D:\Photos\Library\2006\03\26>exiftool -EXIF:alldates -filemodifydate -G1 2006-03
-26_D50_DSC_0549.JPG
[ExifIFD] Date/Time Original : 2006:03:26 10:31:13
[ExifIFD] Create Date : 2006:03:26 10:31:13
[IFD0] Modify Date : 2006:03:26 10:31:13
[File] File Modification Date/Time : 2006:03:26 11:31:13
D:\Photos\Library\2006\03\26>exiftool "-FileModifyDate<ExifIFD:CreateDate" 2006-
03-26_D50_DSC_0549.JPG
1 image files updated
D:\Photos\Library\2006\03\26>exiftool -EXIF:alldates -filemodifydate -G1 2006-03
-26_D50_DSC_0549.JPG
[ExifIFD] Date/Time Original : 2006:03:26 10:31:13
[ExifIFD] Create Date : 2006:03:26 10:31:13
[IFD0] Modify Date : 2006:03:26 10:31:13
[File] File Modification Date/Time : 2006:03:26 11:31:13
D:\Photos\Library\2006\03\26>
I have tried looking for some kind of timezone offset but can not see one in the meta output?
As an aside, is it possible to set the file create date using EXIFTOOL?