finding the time stamp on phot's that have been emailed to me
Open it in Preview.

Hit  Cmd ⌘    i   for Inspector, then the 2nd tab (info, i in a circle) &amp; then Exif - should give full info, unless the originator was clever enough to remove it.



It is possible that the sender has set iOS to strip these fields from the photos and it's also possible that they are stripped if the image size is reduced. You can also use tools to manipulate / falsify the data, but in most cases people don't mess with changing the defaults.