Dawn is the time that marks the beginning of twilight before sunrise. It is recognized by the appearance of indirect sunlight being scattered in Earth's atmosphere, when the centre of the Sun's disc has reached 18° below the observer's horizon.

What does it mean to be dawning?

1 : to begin to become light as the sun rises They waited for the day to dawn. 2 : to start or begin A new age/era is dawning. 3 : to begin to be understood Suddenly, the truth dawns.

When the day is dawning meaning?

1 n-var Dawn is the time of day when light first appears in the sky, just before the sun rises. ... 4 verb When you say that a particular day dawned, you mean it arrived or began, usually when it became light.