Ezra 6:19

The exiles observed the Passover on the fourteenth of the first month.

Exodus 12:6-36

You shall keep it until the fourteenth day of the same month, then the whole assembly of the congregation of Israel is to kill it at twilight.

Joshua 5:10

While the sons of Israel camped at Gilgal they observed the Passover on the evening of the fourteenth day of the month on the desert plains of Jericho.

2 Chronicles 30:1-27

Now Hezekiah sent to all Israel and Judah and wrote letters also to Ephraim and Manasseh, that they should come to the house of the Lord at Jerusalem to celebrate the Passover to the Lord God of Israel.

Treasury of Scripture Knowledge

Summary

And the children of the captivity kept the passover upon the fourteenth day of the first month.

Bible References

Kept

Exodus 12:6
You shall keep it until the fourteenth day of the same month, then the whole assembly of the congregation of Israel is to kill it at twilight.
Joshua 5:10
While the sons of Israel camped at Gilgal they observed the Passover on the evening of the fourteenth day of the month on the desert plains of Jericho.