Matt.2.7Then Herod summoned the wise men secretly and ascertained from them what time the star had appeared.
Matt.2.16Then Herod, when he saw that he had been tricked by the wise men, became furious, and he sent and killed all the male children in Bethlehem and in all that region who were two years old or under, according to the time that he had ascertained from the wise men.