To be honest, I have never understood this either. It seems to be that a few members, having entered the correct capture date, see something different when they have uploaded the page. But it is clear that not all members are seeing the same thing. I suspect that it is some glitch producing a software incompatibility between the member's device/PC and the site's servers, perhaps also affected by time-zone differences.
Tord, your photos are showing the right date to me - for example:http://www.shipspotting.com/gallery/photo.php?lid=2821122
Attached is what I see - and I can see that it matches the exif [Date/Time Original 2018:03:04 14:45:21]
And it is the same for yours Yvon.
One or two members have taken to entering the wrong date so that they see the right result - but this leads to most members seeing info suggesting that the photo has been loaded a day before it was taken - see also attached.
I will draw IT's attention to this thread in case there is anything within the site that can be tweaked, but it is my understanding that when this was raised before an examination failed to identify the cause.
[[ps - moving this thread to "Site related news, functions and modules"]