Luke 1:11 in the King James Version
And there appeared unto him an angel of the Lord standing on the right side of the altar of incense.
Context
10 The whole multitude of the people were praying outside at the hour of incense.
11 An angel of the Lord appeared to him, standing on the right side of the altar of incense.
12 Zacharias was troubled when he saw him, and fear fell upon him.