Reform of the date of 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 + 2 20 55 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.
Splitting of the moon describes an actual event at the time of the Prophet, but it clearly refers to the end of the world. Some Muslim scholars argue that an astronomical event must have happened at that time, which made it appear as if the moon had been split in two, because the phenomenon was seen at least in India as well. One such possible lunar event could be a large asteroid hitting the moon, and the plume and debris from the strike blocking enough lunar view to make it appear as if the Moon had split in two. A second possibility could be