In the Name Of Allah Most Gracious & Most Merciful.
Let us learn about successive day & night.
Day give very clear message to habitant of earth I have arrived do your pending work or being new work.
Like teaching chapter where you have left or being new chapter reading book where you have left or right book or article.
Night give very clear message to habitant of earth I have arrived take rest as compliment for all work you have done in the day.
“He it is That hath made you the night that ye may rest therein, and the day to make things visible (to you). Verily in this are signs for those who listen (to His Message).”Reference 10:67
The Noble Quran.
With Message Of Peace