Now it happened [that] while he was performing his priestly service before God in the [appointed] order of his division,
And it came to pass, that while he executed the priest's office before God in the order of his course,
Now while on duty, serving as priest before God in the order of his division,
Now it came to pass, while he executed the priest’s office before God in the order of his course,
One day Zechariah was serving as a priest before God because his priestly division was on duty.
Then it happened that, when he was exercising the priesthood before God, in the order of his section,