Whiles I was speaking. — The answer to Daniel’s prayer. He had not even finished his prayer when the answer came. The angel Gabriel, whom he had seen (Daniel 8:16), comes to him, and reveals to him the mystery of the seventy weeks.
Related Commentaries of Daniel 9:20
Daniel 9:20
20 And whiles I was speaking, and praying, and confessing my sin and the sin of my people Israel, and presenting my supplication before the LORD my God for the holy mountain of my God;