exiftool '-FileName<CreateDate' -d %Y%m%d%H%M_%%f.%%e .
exiftool -overwrite_original -AllDates-=1:07 -if '$CreateDate le "2009:01:27 08:00"' *.jpg *.nef
exiftool -overwrite_original -AllDates-=1:00 -if '$CreateDate ge "2009:01:27 08:00"' -if '$CreateDate le "2009:02:15 00:00"' *.jpg *.nef
exiftool -overwrite_original -AllDates+=6:53 -if '$CreateDate ge "2009:02:15 00:00"' *.jpg *.nef