Best they can do is 60 seconds, for now at least.

Makes you wonder what the TTL caching for our universe is.

Whatever the speed of light is I would imagine

No, that's just an optimization that saved on computing resources. It effectively allows the party that runs this simulation to have a limited world to simulate. Dark matter is the other half of that trick. Both were invented by one Bebele Zropaxhodb after a particularly interesting party in the universe just above this one...

That's the rendering speed.