Here are the possible solutions for first light of day clue
Answer
Clue
Relevancy
eternal
Clue
Day after day after day . . .
Definition
everlasting, also ETERNE
june
Clue
It has both National Cheese Day and National Cognac Day ... on the same day no less
aurora
Clue
First light of day
Definition
(Latin) a luminous atmospheric phenomenon
dawn
Clue
First light of day
Day's first light
Definition
to grow light in the morning
nemo
Clue
Film character whose first line is "First day of school!"
glorybeam
Clue
"The light" of "I saw the light!"?
laser
Clue
Light in a light show
Definition
a source of high-intensity optical, infrared, or ultraviolet radiation produced as a result of stimulated emission maintained within a solid, liquid, or gaseous medium
