The time when the sun rises.
The rising of the sun.
The earliest phase of something.
The morning twilight period immediately before sunrise.
To begin to give promise; to begin to appear or to expand.
To begin to brighten with daylight.
To start to appear or be realized.
one day of solar time, the time between successive noons; the time in which a planet such as Earth apparently rotates once around its axis, relative to the sun (on Earth about 24 hours as an average - the length of solar day is not constant throughout the year)