"Dawn" is a symbol of the rising of the spiritual Light of the Truth of God's Will, the rebirth, the birth in man's mind of the true knowledge and fulfillment of God's Commandments, the Teachings of Jesus Christ.
"Dawn" is the symbol of the emergence of a new way of thinking and living of man, of the "coming" to the nations of the realization of the good news of the righteous to fulfill the Will of God.
"Dawn" is the beginning of the establishment of the Kingdom of God's Will in man and in the nations after the long "Night" of their sinful history.