'Seventh Year' in the Bible

In the seventh year, in the fifth month, on the tenth of the month [after the beginning of the exile in Babylon], certain of the elders of Israel came to inquire of the Lord and sat down before me.

In the twenty-seventh year [after King Jehoiachin was taken to Babylon], in the first month, on the first of the month, the word of the Lord came to me, saying,