On June 9, the Sunday of the Holy Fathers of the First Ecumenical Council, Metropolitan Hilarion of Eastern America & New York celebrated hierarchal Divine Liturgy in the Synodal Cathedral of the Sign in New York City. Concelebrating with His Eminence was cathedral dean Archpriest Andrei Sommer, as well as cathedral and visiting clergy. Singing the divine service was the hierarchal choir under the direction of conductor Matushka Eugenia Temidis.

Upon completion of Liturgy, Metropolitan Hilarion addressed the faithful with a sermon. His Eminence spoke about the summoning of the First Ecumenical Council, which condemned the Arian heresy and adopted the first part of the Symbol of Faith (the Nicene Creed), and in which participated such pillars of Orthodoxy as the great saints of God and holy hierarchs Athanasius the Great, Nicholas, Wonderworker of Myra in Lycia, and Spyridon, Wonderworker of Tremithus.