The phrase "dawn light" refers to the soft and gentle light that appears in the sky just before the sun rises. It is a gentle and peaceful kind of light that signals the beginning of a new day. Full definition
«The City That Never Sleeps,» a dusk to dawn lighting schedule, will illuminate these crossings with spectacular, multi-color light shows that will be visible for miles. (newrochelletalk.com)
In one scene, the soft light of rosy dawn lights the face of Hawkins as Eliza rides the bus to work in the morning. (awfj.org)
The child sat cross-legged on the floor like a miniature statue of Buddha, the gray dawn light leeching her flesh of color. (bookbrowse.com)