1) Aurora 2) Break of day 3) Break of the day 4) Cockcrow 5) Dawn 6) Dawning 7) Daybreak 8) First light 9) Hour 10) Morning 11) Sunrise 12) Sunup 13) The first light of day 14) Time of day 1) Aurora 2) Cockcrow 3) Dawn 4) Dawning 5) Daybreak 6) Morning 7) Sunup 
• (n.) The beginning of the day, or first appearance of light; the dawn; hence, the beginning.
Day'spring` (dā'sprĭng`) noun The beginning of the day, or first appearance of light; the dawn; hence, the beginning. Milton. « The tender mercy of our God; whereby the dayspring from on high hath visited us.» Luke i. 78.