The most common is the Divine Liturgy of St. [[John Chrysostom]], the liturgy used on all Sundays except those which fall during the Great Lent, and all holy days on which a Eucharistic liturgy is served except for the eves of Pascha, Christmas and Theophany, Holy Thursday, and the [[feast day]] of St. Basil the Great.
===Liturgy of the Presanctified Gifts ===
The Liturgy of the Presanctified Gifts which is actually an extended [[ Vespers]] service at which Holy Communion which was consecrated on the previous Sunday is distributed. The Liturgy of Presanctified Gifts is used during weekdays of Great Lent when the full celebration of the Eucharistic liturgy is prohibited. It received its present form from St. [[Gregory the Great]] , Bishop of [[Church of Rome|Rome]] in the sixth century.