'Day and Night' in the Bible

Oh that my head were waters, and my eyes a fountain of tears, that I might weep day and night for the slain of the daughter of my people!

even I will cast you out of this land into a land that you do not know, neither you nor your fathers; and there you shall serve other gods day and night; where I will not grant you favor.

So says Jehovah: If you can break My covenant of the day and My covenant of the night, and that there should not be day and night in their season,

So says Jehovah: If My covenant is not with day and night, and if I have not given the ordinances of the heavens and the earth,