The yolk sinks
The yolk sinks
The yolk sinks
Lol you are meant to put them in the water with the shells still on.
The yolk sinks
90% (made up number) of expiry dates are completely arbitrary - I've had things go off before their expiry, and things fine to eat days/weeks after.
Take a jug of water and drop the eggs in to it one by one. If they float, chuck them. If they sink they're safe to eat.