Ezekiel 1:2
On the fifth day of the month--it was the fifth year of the exile of King Jehoiachin--

Ezekiel 8:1
In the sixth year, in the sixth month, on the fifth day, I was sitting in my house, and the elders of Judah were sitting before me; and there the hand of the Lord GOD fell upon me.

Ezekiel 20:1
In the seventh year, on the tenth day of the fifth month, some of the elders of Israel came to inquire of the LORD, and they sat down before me.

Jeremiah 39:2
And on the ninth day of the fourth month of Zedekiah's eleventh year, the city was broken through.