Rob,
Thank you! Yes, I can ship to Europe. Here is a link to the shield:
Regarding the day of the week, I don't really know if the DS1307 can figure out day of the week from yy/mm/dd. I'll check the docs but I suspect the DOW is just a counter that increments when hour counter overflows.
BTW, I have a GPS unit right below the display but I've not connected the GPS unit to the shield yet. I suppose I can also enable time zone according to GPS. Will read up on that first. I don't know how difficult it is to do that though as the time zones are not all straight 