It is announced that on the Feast of Saint Apostle Andrew the First-Called and on the Thronal Feast of the Ecumenical Patriarchate, the Great Vespers Service will be performed at the Patriarchal Church at 4:00 p.m., on Sunday, 29th of November.
Ecumenical Patriarch Bartholomew will preside over the Vespers Service and the Patriarchal and Synodal Divine Liturgy on Monday the 30th of November. Archimandrite Joachim, Chief Secretary of the Holy and Sacred Synod, will preach the Divine Word.
In addition, official representatives from the Roman Catholic Church led by Cardinal Kurt Koch, President of the Pontifical Council for Promoting Christian Unity, will also attend the service.
Source: fanarion.blogspot.com