'Night and Day' in the Bible

They were a wall to us both by night and day, all the while we were with them keeping the sheep.

That thy eyes may be open towards this house night and day, even towards the place of which thou hast said, My name shall be there: that thou mayest hearken to the prayer which thy servant shall make towards this place.

I the LORD do keep it; I will water it every moment: lest any hurt it, I will keep it night and day.

Therefore thou shalt say this word to them; Let my eyes run down with tears night and day, and let them not cease: for the virgin daughter of my people is broken with a great breach, with a very grievous blow.

And should sleep, and rise night and day, and the seed should spring and grow up, he knoweth not how.

And always, night and day, he was on the mountains, and in the tombs, crying, and cutting himself with stones.

And she was a widow of about eighty four years, who departed not from the temple, but served God with fastings and prayers night and day.

Therefore watch, and remember, that by the space of three years I ceased not to warn every one night and day with tears.

For ye remember, brethren, our labor and toil: for laboring night and day, because we would not be chargeable to any of you, we preached to you the gospel of God.

Night and day praying exceedingly that we may see your face, and may perfect that which is lacking in your faith?

Neither did we eat any man's bread for naught; but wrought with labor and toil night and day, that we might not be chargeable to any of you:

Now she that is a widow indeed, and desolate, trusteth in God, and continueth in supplications and prayers night and day.

I thank God, whom I serve from my forefathers with pure conscience, that without ceasing I have remembrance of thee in my prayers night and day;