'Day and Night' in the Bible

Neither shall sowing time and harvest, cold, and heat, summer and winter, day and night cease, as long as the earth endureth."

And the LORD went before them by day in a pillar of a cloud to lead them the way: and by night in a pillar of fire to give them light: that they might go both by day and night.

See therefore that ye abide in the door of the tabernacle of witness day and night seven days long: and keep the watch of the LORD that ye die not: for so I am commanded."

And thy life shall hang before thee, and thou shalt fear both day and night and shalt have no trust in thy life.

Let not the book of this law depart out of thy mouth: but record therein day and night that thou mayest be circumspect to do according to all that is written therein. For then shalt thou make thy way prosperous, and then thou shalt have understanding.

And these my words which I have prayed before the LORD, be nigh unto the LORD our God day and night, that he defend the cause of his servant and of his people Israel evermore,

These are the singers - ancient heads among the Levites divided by chambers, for they had to do both day and night.

That thine eyes be open over this house day and night, and over the place of which thou hast said that thou wouldest put thy name there: to hearken unto the prayer which thy servant prayeth at this place:

Let thine ears mark and thine eyes open, that thou mayest hear the prayer of thy servant, which I pray now before thee day and night for the children of Israel thy servants, and knowledge the sins of the children of Israel, which we have committed against thee. And I and my father's house have sinned also.

Nevertheless, we made our prayer unto our God, and set watchmen upon the wall day and night over against them.

He hath compassed the waters with certain bounds, until the day and night come to an end.

But his delight is in the law of the LORD, and in his law will he exercise himself, day and night.

For thy hand is heavy upon me both day and night, and my moisture is like the drought in Summer. Selah.

My tears have been my meat day and night, while they daily say unto me, "Where is now thy God?"

This goeth day and night about the walls; mischief and vice are in the midst of it.

{A Psalm and song of the sons of Korah, to the Chanter upon Mahalath, to give thanks, an Instruction of Heman the Ezrahite} O LORD God my Savior, I have cried day and night before thee;

I the LORD keep it, and water it in due season. I watch day and night, that no man break into it.

Thy gates shall stand open still both day and night, and never be shut: that the house of the Gentiles may come, and that their kings may be brought unto thee.

"This shalt thou say also unto them: 'Mine eyes shall weep without ceasing day and night. For my people shall be destroyed with great harm, and shall perish with a great plague.

Therefore will I cast you out of this land into a land that ye and your fathers know not: and there shall ye serve strange gods day and night, there will I show you no favour.

"Thus sayeth the LORD: May the covenant which I have made with day and night be broken, that there should not be day and night in due season?

Therefore thus sayeth the LORD: If I have made no covenant with day and night, and given no statute unto heaven and earth;

{Tsadi} Let thine heart cry unto the LORD, O thou city of the daughter Zion; let thy tears run down like a river day and night. Rest not, and let not the apple of thine eye leave off.