This holiday's vigil involves singing the Exsultet.
In Orthodox churches, the observation of this holiday involves a reading of the Catechetical Homily of St. John Chrysostom. The tables of Dionysius Exiguus have been used to resolve a controversy surrounding this holiday. On the day before this holiday, the miraculous Holy Fire is said to appear at the Church of the Holy Sepulcher. A service held on this holiday involves lighting a "new fire," which is used to light a candle inscribed with a cross, the current year, and the Greek letters (*)  alpha and omega. This holiday's vigil involves singing the Exsultet. The  computus  is used to calculate this holiday's date, which was once determined using the date of Passover. Many Christians fast for the 40 days that precedes, for 10 points, what holiday that celebrates the resurrection of Jesus?
In Orthodox churches, the observation of this holiday involves a reading of the Catechetical Homily of St. John Chrysostom.
Easter  Sunday [or  Pascha ]