Treasury of Scripture Knowledge
O my God, I cry in the daytime, but you hear not; and in the night season, and am not silent.
Unto which promise our twelve tribes, instantly serving God day and night, hope to come. For which hope's sake, king Agrippa, I am accused of the Jews.
1 Timothy 5:5
Now she that is a widow indeed, and desolate, trusts in God, and continues in supplications and prayers night and day.
Therefore are they before the throne of God, and serve him day and night in his temple: and he that sits on the throne shall dwell among them.
But every vow of a widow, and of her that is divorced, with which they have bound their souls, shall stand against her.