How long will an egg stay edible outside of a refrigerator?

An egg left unrefrigerated at room temperature will stay edible for around 2-3 hours.

Here's why:

* Bacteria growth: Eggs are a perfect breeding ground for bacteria. Warmer temperatures accelerate bacterial growth, which can make the egg unsafe to eat.

* Salmonella: Salmonella is a common bacteria found in eggs, and it can cause food poisoning.

Important note: This is just a general guideline. The actual time an egg can safely stay unrefrigerated will depend on several factors:

* The temperature of the room: Warmer temperatures will cause the egg to spoil faster.

* How the egg was handled: Eggs that have been exposed to direct sunlight or handled with dirty hands will spoil more quickly.

* The age of the egg: Older eggs will spoil faster than fresh ones.

To be safe, it's best to refrigerate eggs as soon as possible after purchasing them.