Smelly, off, etc. That said, when local government wanted to regulate selling of eggs at farmer's mkts (that is, unrefrigerated) they offered the guideline of one hour at room temp ages an egg as much as one day in the refrigerator. Night temp is lower than day temp, eggs can last a month in my fridge.hat said, when local government wanted to regulate selling of eggs at farmer's mkts (that is, unrefrigerated) they offered the guideline of one hour at room temp ages an egg as much as one day in the refrigerator.