'Three day' in the Bible

They will listen to what you say. Then you, along with the elders of Israel, must go to the king of Egypt and say to him: Yahweh, the God of the Hebrews, has met with us. Now please let us go on a three-day trip into the wilderness so that we may sacrifice to Yahweh our God.

Then they answered, “The God of the Hebrews has met with us. Please let us go on a three-day trip into the wilderness so that we may sacrifice to Yahweh our God, or else He may strike us with plague or sword.”