Understand the principal differences between investment banks and commercial banks, and the areas of banking services that each provides.
Once you get them home, you can keep them for up to 5 weeks from the purchase date, even if the sell-by date expires during that time. If you purchased the eggs from a farm or farmers market and there's no date, keep them for up to 5 weeks from the purchase date.
Generally, hard-boiled eggs can last a week in the refrigerator. Even with its natural (but easily cracked) calcium-carbonate container, a hard-cooked egg is a perishable food, so it shouldn't be kept at room temperature for more than two hours. It may last for a shorter period of time if the egg has been peeled.