Psalm 19:4c-6 speaks of the sun using imagery that is neither a scientific description or a mythological account but uses typical Old Testament popular descriptive idioms for a natural phenomenon:
In them hath he set a tabernacle for the sun, 5 Which is as a bridegroom coming out of his chamber, and rejoiceth as a strong man to run a race. 6 His going forth is from the end of the heaven, and his circuit unto the ends of it: and there is nothing hid from the heat thereof.
First we see in verse 4c that the sun has a tabernacle or tent (i.e., abode). From this it appears that David understood that the sun is not moving. God literally “set” it in place.
In verse 5 the sun is likened to a bridegroom and a strong man sunning a race. The sun was the only source of energy that David had ever seen that never cooled down or diminished in size. We know now that the sun is actually growing as it burns about as fast as fingernails grow. Certainly too slow for us to measure.
In verse 6 we read of the sun’s chamber where it passes the night, bursting forth at sunrise in its full glory and lighting up its splendid tabernacle. We also read that the sun “goes forth,” referring not only to its apparent transit across the sky as the earth turns but also to the outgoing of its radiant heat.
Just as the sun lights all of the earth, so also, the revelation of God’s character, power and wisdom is universal. Every human being knows something about the Creator God because every human being has seen the sun!
Romans 10:18 – But I say, Have they not heard? Yes verily, their sound went into all the earth, and their words unto the ends of the world.