Luke 1:9-11 according to the custom of the priesthood, he was selected to burn incense when he entered into the temple of the Lord.

CAB⁽ⁱ⁾ ⁹ according to the custom of the priesthood, he was selected to burn incense when he entered into the temple of the Lord. ¹⁰ And all the multitude of the people were praying outside at the hour of incense. ¹¹ Then an angel of the Lord appeared to him, standing on the right side of the altar of incense.