'Three Days' in the Bible

As for your donkeys which were lost three days ago, do not be concerned about them, for they have been found. And for whom are all things that are desirable in Israel? Are they not for you and for all your father’s household (family)?”

David answered the priest, “Be assured that women have been kept from us in these three days since I set out, and the bodies of the young men were consecrated (ceremonially clean), although it was an ordinary (unconsecrated) journey; so how much more will their vessels be holy today?”

and they gave him a piece of a fig cake and two clusters of raisins; and when he had eaten, his energy returned, for he had not eaten bread or had any water to drink for three days and three nights.

David said to him, “To whom do you belong, and where are you from?” He said, “I am a young man from Egypt, a servant of an Amalekite; and my master abandoned me [as useless] when I fell sick three days ago.