'Years' in the Bible

The words of Amos, who was among the herdsmen of Tekoa, which he saw concerning Israel in the days of Uzziah king of Judah, and in the days of Jeroboam the son of Joash king of Israel, two years before the earthquake.

Also I brought you up out of the land of Egypt, and led you forty years in the wilderness, to possess the land of the Amorite.

"Did you bring to me sacrifices and offerings in the wilderness forty years, house of Israel?