'Seventh' in the Bible

So Hananiah the prophet died in the same year in the seventh month.

In the seventh month Ishmael the son of Nethaniah, the son of Elishama, of the royal family and one of the chief officers of the king, along with ten men, came to Mizpah to Gedaliah the son of Ahikam. While they were eating bread together there in Mizpah,

These are the people whom Nebuchadnezzar carried away into exile: in the seventh year 3,023 Jews;