dawn

As a proper noun dawn

is sometimes given to a girl born at that time of day.

As an adjective postmidnight is

after midnight, but generally before dawn.

As a proper noun dawn

is sometimes given to a girl born at that time of day.

As a noun aspenglow is

(us|colorado) the glow on mountaintops at dawn and dusk.

Nightbreak is a antonym of dawn.

As nouns the difference between dawn and nightbreak

is that dawn is the morning twilight period immediately before sunrise while nightbreak is the point at which night begins.

As a verb dawn

is to begin to brighten with daylight.

As a proper noun Dawn

is {{given name|female|from=English}} sometimes given to a girl born at that time of day.