We don't know it could have been some time after Jesus' birth it could have been on the night.In the gospel of Matthew it says:Matthew 2:1 Now after Jesus was born in Bethlehem of Judea in the days of Herod the king, behold, wise men from the East came to Jerusalem,Matthew 2:9 When they heard the king, they departed; and behold, the star which they had seen in the East went before them, till it came and stood over where the young Child was.Matthew 2:11 And when they had come into the house, they saw the young Child with Mary His mother, and fell down and worshiped Him. And when they had opened their treasures, they presented gifts to Him: gold, frankincense, and myrrh.From these verses we can see it was after Jesus was born and Jesus is called a young child and Mary and Jesus were in a house