Daniel 9:2

2 in the first year of his reign, I, Daniel, perceived in the books the number of years which, according to the word of the LORD to Jeremiah the prophet, must pass before the end of the desolations of Jerusalem, namely, seventy years.

Daniel 9:2 In-Context

1 In the first year of Darius the son of Ahasu-e'rus, by birth a Mede, who became king over the realm of the Chalde'ans--
2 in the first year of his reign, I, Daniel, perceived in the books the number of years which, according to the word of the LORD to Jeremiah the prophet, must pass before the end of the desolations of Jerusalem, namely, seventy years.
3 Then I turned my face to the Lord God, seeking him by prayer and supplications with fasting and sackcloth and ashes.
4 I prayed to the LORD my God and made confession, saying, "O Lord, the great and terrible God, who keepest covenant and steadfast love with those who love him and keep his commandments,
5 we have sinned and done wrong and acted wickedly and rebelled, turning aside from thy commandments and ordinances;
Revised Standard Version of the Bible, copyright 1952 [2nd edition, 1971] by the Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.