'Three Days' in the Bible

And, as for the asses that went astray from thee three days ago, do not regard them, for they are found, - but to whom belongeth all that is desirable in Israel? is it not to thee, and to all the house of thy father?

and, when thou hast tarried three days, thou shalt come down quickly and enter the place, where thou didst hide thyself on the day of the deed, and shall remain by the side of this mound.

and they gave him a piece of a cake of figs, and two cakes of raisins, and, when he had eaten, his spirit came back unto him, - for he had neither eaten food, nor drunk water, three days and three nights.

Then David said to him - Whose art thou? and whence art thou? And he said, A young man of Egypt, am I, servant to an Amalekite, and my lord left me behind, because I fell sick, three days ago.