So, now that you’ve downloaded PhotoScan & digitized a bunch of images, how can you give them proper dates? Here’s how:
On photos.google.com, just select the group of photos you’d like to adjust and click “Edit date & time” in the menu dropdown. You’ll be able to shift or set the time stamps, and preview the changes before saving.
Here’s a quick video demo (showing how to edit one image, but applicable to multiple simultaneously):