According to Eat By Date, fresh eggs are good for up to 4 weeks past the sell-by date. Egg whites are good for up to 4 days and egg yolks are good for 1 to 2 days. Egg substitutes stay good for around 4 days after the sell-by date.
Eggs must always be refrigerated before use, and dishes that include eggs must also be refrigerated. Eggs that are not refrigerated spoil quickly and should not be consumed. The best way to extend the shelf life of eggs is to keep them constantly refrigerated. Spoiled eggs typically give off a rotten smell when cracked. Another sign that an egg is rotten is if the egg white has a pinkish tint.