Idioms describing dawn

The east will be white: this means that the day will break.

Wake up in the morning: get up before dawn. Describe working hard or worrying, and it is difficult to sleep. Ignorance, the sky is unknown; Dawn breaks.

Lonely star after dawn: dawn: the time of dawn. I used to know it was an orphan girl.

When the rooster sings, the world is white; when the rooster crows, the sky is bright. Describe the dawn of the east and the end of the long night. Refers to the facts.