April |- |colspan=6| | title="Sym454" ||colspan=2 title="Sym454; historical date if in year 33" ||colspan=2 title="Sym454" ||colspan=2 title="Pepuzite, Sym454" ||title="Pepuzite, Sym454, 2nd April Sunday" !rowspan=2| W14 |- !rowspan=2| 15th |title="in all major proposals" ||colspan=2 title="in all major proposals; historical date if in year 30" ||colspan=2 title="in all major proposals" ||title="in all major proposals" |colspan=8 |- |colspan=6 |title="2nd April Sunday, Sunday after 2nd April Saturday, Pepuzite" ||colspan=2 title="2nd April Sunday, Sunday after 2nd April Saturday, Pepuzite" ||colspan=2 title="2nd April Sunday, Sunday after 2nd April Saturday, Pepuzite" ||colspan=2 title="2nd April Sunday, Sunday after 2nd April Saturday" || title="2nd April Sunday, Sunday after 2nd April Saturday" !rowspan=2| W15 |- !rowspan=2| 16th |title="Sunday after 2nd April Saturday" ||colspan=2| 16 ||colspan=2| 17 || 18 |colspan=8| |- |colspan=6| | 18 ||colspan=2| 19 ||colspan=2| 20 ||colspan=2| 21 || 22 !rowspan=2| W16 |- !rowspan=2| 17th | 22 ||colspan=2| 23 ||colspan=2| 24 || 25 |colspan=8| |- |colspan=6 | 25 |colspan=7 ! W17 |} In 1977, some Eastern Orthodox representatives objected to separating the date of Easter from lunar phases. Unified date Proposals to resolve the second problem have made greater progress, but they are yet to be adopted. 1923 proposal An astronomical rule for Easter was proposed by the 1923 Pan-Orthodox Congress of Constantinople that also proposed the Revised Julian calendar: Easter was to be the Sunday after the midnight-to-midnight day at the meridian of the Church of the Holy Sepulchre in Jerusalem (35° 13′ 47.2″ E or UT + 2h 20m 55s for the small dome) during which the first full moon after the vernal equinox occurs. Although the instant of the full moon must occur after the instant of the vernal equinox, it may occur on the same day. If the full moon occurs on a Sunday, Easter is the following Sunday. This proposed astronomical rule was rejected by all Orthodox churches and was never considered by any Western church. 1997 proposal The World Council of Churches (WCC) proposed a reform of the method of determining the date of Easter at a summit in Aleppo, Syria, in 1997: Easter would be defined as the first Sunday following the first astronomical full moon following the astronomical vernal equinox, as determined from the meridian of Jerusalem. The reform would have been implemented starting in 2001, since in that year the Eastern and Western dates of Easter would coincide. This reform has not been implemented. It would have relied mainly on