This is not an Orthodox post. St. John Chrysostom’s sermon was given at Easter, before the separation of the two churches.
http://www.infoplease.com/spot/easter1.html
A meeting organized by the Council of World Churches (in Aleppo, Syria, March 5–10, 1997) proposed a solution thought to be favorable to both East and West: both methods of calculating the equinox and the paschal full moon would be replaced with the most advanced astronomically accurate calculations available, using the meridian of Jerusalem as the point of measure. Since that meeting, however, no further progress has been made and the problem remains.