Modern biblical scholarship treats the account in the synoptic gospels as a literary creation by the author of the Mark Gospel, amended in the Luke and Matthew accounts, intended to heighten the importance of what they saw as a theologically significant event, and not intended to be taken literally. This image of darkness over the land would have been understood by ancient readers, a typical element in the description of the death of kings and other major figures by writers such as Philo, Dio Cassius, Virgil, Plutarch and Josephus. Géza Vermes describes the darkness account as typical of "Jewish eschatological imagery of the day of the Lord", and says that those interpreting it as a datable eclipse are "barking up the wrong tree".
Who amended the account at a later date?
Luke