'Days' in the Bible

Then they observed the Festival of Unleavened Bread for seven days with joy, because the LORD had made them glad, turning the heart of the king of Assyria toward them and strengthening them for their work on the Temple of God, the God of Israel.

I gathered them together at the river that flows toward Ahava, where we camped three days. Afterwards, I examined the people and the priests, but found no descendants of Levi there.

We arrived in Jerusalem and remained there three days.

"My God, I am too ashamed and hurt to turn to you, because we're in our iniquities over our heads. Furthermore, my God, our sins have grown as high as the heavens. We have lived in great sin from the days of our ancestors even until today, and because of those iniquities we, our kings, and our priests have been delivered over to foreign kings, for execution, for captivity, for plunder, and for humiliation, as is the case today.

Whoever would not come within three days would forfeit his assets and be separated from the community of the returning exiles, just as the high officials and elders had advised.

Less than three days later, all of the men of Judah and Benjamin gathered together on the twentieth day of the ninth month. Everyone sat in the plaza of the Temple of God, trembling because of everything that was happening, and also because it was raining heavily.