*** w77 6/15 pp. 383-384 Questions From Readers *** I understood that the Memorial celebration was always on the evening of a full moon. But in 1977 the Memorial was on April 3, and my calendar gave April 4 for the full moon. Why the difference? Often the celebration of the Lord’s Evening Meal and the full moon do coincide, but not always. There may, for example, be a day’s difference, depending on where you live and the calendar used. To see why this is so you need to understand the basic method presently used by the Governing Body of Jehovah’s Witnesses in establishing the date for the annual Memorial celebration. It was on the 14th of the Jewish month Nisan, the date of the Passover, that Jesus directed his followers to commemorate his death. (Luke 22:14-20) Appropriately, the date for the Memorial celebration is arrived at as the Jews back then determined the date for the Passover. They began the month of Nisan when they could first see the new moon in the spring nearest the e...