High Quality Content by WIKIPEDIA articles! In the Christian gospels, the Ministry of Jesus begins with his Baptism in the countryside of Judea, near the River Jordan and ends in Jerusalem, following the Last Supper with his disciples. The Gospel of Luke (3:23) states that Jesus was "about 30 years of age" at the start of his ministry. The date of the start of his ministry has been estimated at around 27-29 AD/CE and the end in the range 30-36 AD/CE.