Ezra 8:32

8:32 So we came to Jerusalem, and we stayed there for three days.

Ezra 8:15

The Exiles Travel to Jerusalem

8:15 I had them assemble at the canal that flows toward Ahava, and we camped there for three days. I observed that the people and the priests were present, but I found no Levites there.

Ezra 6:22

6:22 They observed the Feast of Unleavened Bread for seven days with joy, for the Lord had given them joy and had changed the opinion of the king of Assyria toward them, so that he assisted them in the work on the temple of God, the God of Israel.