Leave time gap between images when batch adjusting date & time

[yan at riseup.net]

Hi,

is there a way to leave a time gap between images adjusting multiple
images' date and time? I have scanned many old pictures that don't have
any metadata and I would like to set their date afterwards. I don't need
the time to be exact, but I want them to be, let's say, 5 minutes off
from each other so that the sort order is maintained. Is there a way to
achieve that?

Thanks
yan