It is amusing to read your article about a proposed reconciliation between Western and Orthodox Christians regarding the date to celebrate Easter (“A Date with God,” April 23, 2011). As you report, Colin Humphreys of Cambridge University is offering reconciliation. Using literary and astronomic sources, he argues that the actual date of Christ’s crucifixion was April 3, 33. The last supper thus falls on April 1 and resurrection on April 5. Therefore, why not celebrate Easter in accordance with these precise dates? According to received wisdom, disagreements about the calculation of the date between Rome and Constantinople led to the Great Schism in 1054. But any history of the period will show that the rift had much deeper roots than the calculation. The roots are still there, as a matter of fact. All by itself, the calculation cannot possibly remove them. To wit, the reunification of Christian churches will have to wait for a much better reason.