In Eastern Christianity (the Orthodox Church and those Eastern Catholic Churches which follow the Byzantine Rite), a Synaxis (; Slavonic: Собор, Sobor)'s an assembly for liturgical purposes, generally through the celebration of Vespers, Matins, Little Hours, and the Divine Liturgy. Feast day In Constantinople, the clergy and faithful would often gather together on specific feast days at a church dedicated to the saint of that day for liturgical celebrations. These… (More on Synaxis)