wiki says this: Two independent approaches can be used to estimate the year of birth of Jesus, one based on the nativity accounts in the gospels, the other by working backwards from the date of the start of his ministry . Most scholars assume a date of birth between 6 and 4 BC . [5]
Three independent approaches to estimate the dates of the ministry of Jesus are: first, the fifteenth year of the reign of Tiberius Caesar, second: the date of the building of theJerusalem Temple and third, the date of the death of John the Baptist. [6] [7] [8] [9] [10] [11] Scholars generally estimate that the ministry of Jesus began around 27-29 AD and lasted at least one year, and perhaps three years, or more. [6] [8] [12] [13]
Diverse approaches have been used to estimate the date of the crucifixion of Jesus. One approach uses the attestations of non-Christian sources such as Josephus andTacitus. [14] [15] Another method works backwards from the historically well established trial of Apostle Paul in Achaea to estimate the date of his conversion. [16] [16] [17] [18] Two independent astronomical methods have also been used, suggesting the same date, i.e. Friday, April 3, 33 AD. [19] [20] [21] Scholars generally agree that Jesus died between 30-36 AD. [8] [16] [22] [23]