As a photon (the quanta of light) carries no mass, it likely is uneffected by relativity as far as time goes. Light may not even exist in the fourth dimention for all we know.
And when you shut off the lights in your house, the photons are still moving away from the source. You simply cannot see them anymore.
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Holding onto anger is like grasping a hot coal with the intent of throwing it at someone else; you are the one who gets burned. - Buddha
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