Luke 3:2
3:2 during the high priesthood of Annas and Caiaphas, the word of God came to John the son of Zechariah in the wilderness.
Luke 4:2
4:2 where for forty days he endured temptations from the devil. He ate nothing during those days, and when they were completed, he was famished.
Luke 6:12
Choosing the Twelve Apostles
6:12 Now it was during this time that Jesus went out to the mountain to pray, and he spent all night in prayer to God.