Eggs can safely stay in a coop for a couple days before gathering. The only danger would be for the chickens to break them inadvertently while they were flying around.
In FarmVille, the eggs will last forever in the coop. They will never go bad the way crops wither.
It would really depend on the ambient temperature in your coop or kitchen. Temperatures lower than 70F will delay spoilage for days. In North America, standard practice is to refrigerate egg immediately upon collection. In other countries, eggs are still considered "fresh" and sold as much as 10 days after collection.
Fresh eggs can be refrigerated for up to 4-5 weeks before they spoil.
3 - 8 Months depending on ground temp.
Unpeeled boiled eggs are good for about one week in the refrigerator before they spoil.
Cooked eggs can last in the fridge for up to one week before they spoil.
Hard boiled eggs can be refrigerated for up to one week before they spoil.
The hen sits three weeks on it's eggs before it hatches
One should eat eggs 20-30 mins before a netball game.
Boiled eggs can typically be kept in the fridge for up to one week before they spoil.
Cooked eggs will typically last in the fridge for about 3-4 days before they spoil.
Boiled eggs can typically be stored in the refrigerator for up to one week before they spoil.