2 Peter 3:8But do not ignore this one fact, beloved, that with the Lord one day is like a thousand years, and a thousand years are like one day.
Time dilation is one of the perplexing phenomenon predicted by the theory of Relativity. When a traveler moves relative to a stationary clock, the stationary clock will appear to tick slower. Astronauts have demonstrated this phenomenon by using extremely accurate clocks while circling the earth and when traveling to the moon.
By affirming that God is light, we also affirm that God is not constrained by our understanding of time.
What are you awaiting God to complete?