'During' in the Bible

The following is a record of what Amos prophesied. He was one of the herdsmen from Tekoa. These prophecies about Israel were revealed to him during the time of King Uzziah of Judah and King Jeroboam son of Joash of Israel, two years before the earthquake.

You did not bring me sacrifices and grain offerings during the forty years you spent in the wilderness, family of Israel.