WPNT(i)
8 Now it happened, as he was officiating as priest before God in the order of his division,
9 according to the custom of the priesthood, that his lot was to burn incense, upon entering the sanctuary of the Lord;
10 and the whole multitude of the people was praying outside at the hour of incense.
11 Then an angel of the Lord appeared to him, standing at the right side of the altar of incense;