days. The astronomical calculations show that a hypothetical AD 30 date would require an incompatible Monday Last Supper, while AD 33 offers a compatible Last Supper on Wednesday, 1 April AD 33, followed by a compatible crucifixion on Friday, 3 April AD 33. Given these assumptions he argues that the calculated date of Wednesday 1 April AD 33 for the Last Supper allows all four gospel accounts to be astronomically correct, with Jesus celebrating Passover two days before his death according to the original Mosaic calendar, and the Jewish authorities celebrating Passover just after the crucifixion, using the modified Babylonian calendar. In contrast, the Christian church tradition of celebrating the Last Supper on Maundy Thursday would be an anachronism. The calculated chronology incidentally supports John's and Paul's narratives that Jesus died at the same hour (Friday 3pm) on 3 April AD 33 that the Passover lambs were slaughtered. Scholarly debate on the hour, day, and year of death The estimation of the time of the death of Jesus based on the New Testament accounts has been the subject of debate among scholars for centuries. The debate can be summarised as follows. In the Synoptic account, the Last Supper takes place on the first night of Passover, defined in the Torah as occurring at twilight on 14 of Nisan, and the crucifixion is the following day on 15 Nisan. However, in the Gospel of John the trial of Jesus takes place before the Passover meal and the sentencing takes place on the day of Preparation, before Passover. Some scholars have presented arguments to reconcile the accounts, although Raymond E. Brown, reviewing these, concluded that they can not be easily reconciled. One involves the suggestion that for Jesus and his disciples, the Passover could have begun at dawn Thursday, while for traditional Jews it would not have begun until dusk that same day. Another is that John followed the Roman practice of calculating the new day beginning at midnight, rather than the Jewish reckoning. However, this Roman practice was used only for dating contracts and leases. D. A. Carson argues that 'preparation of the Passover' could mean any day of the Passover week. Some have argued that the modern precision of marking the time of day should not be read back into the gospel accounts, written at a time when no standardization of timepieces, or exact recording of hours and minutes was