'Night and Day' in the Bible

night and day he was in the mountains, howling among the tombs, and hacking his flesh with flints.

being then a widow of about fourscore and four years old: she was assiduously in the temple, night and day religiously employ'd in fastings and prayers:

and will not God avenge his own elect, who cry to him night and day? will he delay their cause?

but Saul was appriz'd of their plot. and as they were night and day upon the watch at the gates, in order to kill him,

which our twelve tribes by their continual services, night and day, hope themselves to obtain: yet for that hope, king Agrippa, do the Jews now accuse me.

whilst night and day we make our ardent requests to him, that we may once more be present with you, that nothing may be wanting to the perfection of your faith?

that we did not eat any man's bread for nothing: but with toil and fatigue work'd night and day to avoid being chargeable to any of you:

When I remember you, as I continually do in my prayers night and day, I give thanks to God, whom I serve with a pure conscience, after the example of my fore-fathers.