How does the Liturgy of the Presanctified Offerings differ from other Orthodox Eucharistic liturgies?

The Liturgy of the Presanctified Offerings differs significantly from standard Orthodox Eucharistic liturgies, such as those of St. John Chrysostom or St. Basil the Great, primarily because it lacks a consecration of the bread and wine.12

Key differences include:

• No Consecration: Unlike full liturgies, this service does not include the central Anaphora or the consecration of elements. Instead, it utilizes bread and wine that were consecrated during a full liturgy on the preceding Sunday.132
• Structure: The service is celebrated in connection with vespers and generally omits the Epistle and Gospel readings, except on feast days.14
• Timing and Usage: While standard liturgies are celebrated throughout the year, the Liturgy of the Presanctified is specifically a Lenten service. In the Byzantine rite, it is typically held on Wednesdays and Fridays during Lent and the first three days of Holy Week.132