What matters more than the date is whether they have been in and out of the fridge. Consistently cold is the good case; moved between warm and cold repeatedly is the one to be careful with, because the condensation cycle is what gets bacteria through the shell.
Also bin anything with a cracked shell regardless of the date, and anything that feels slimy or looks powdery. Store them in the carton rather than loose, pointy end down, and not in the door, which swings in temperature more than anywhere else in the fridge.