Luke 1:8 in the King James Version
And it came to pass, that while he executed the priest’s office before God in the order of his course,
Context
7 But they had no child, because Elizabeth was barren, and they both were well advanced in years.
8 Now while he executed the priest’s office before God in the order of his division
9 according to the custom of the priest’s office, his lot was to enter into the temple of the Lord and burn incense.