By law in the US farmers have up to 30 days to package eggs and then the eggs have to be sold within another 30 days, so the oldest eggs on the grocery shelf ca

By law in the US farmers have up to 30 days to package eggs and then the eggs have to be sold within another 30 days, so the oldest eggs on the grocery shelf can be is 60 days. Most eggs are packaged and in a store for sale shortly after being laid.