horologion

A horologion is a type of medieval prayer book used in the Eastern Orthodox Church. The term "horologion" comes from the Greek word "horos," meaning "hour," and "logos," meaning "word." This name reflects the book's structure, which is divided into sections corresponding to the hours of the day, each containing prayers, hymns, and readings. The horologion is typically bound in leather or cloth and is used by monks and priests during their daily prayers and services.

The horologion is an essential liturgical book, containing a wide range of prayers and hymns for various occasions, including the Divine Liturgy, Vespers, Matins, and Compline. It also includes readings from the Bible and the Church Fathers, as well as instructions for the proper performance of liturgical services. The book is often accompanied by a psalter, which contains the Psalms, and a missal, which contains the liturgical texts for the Divine Liturgy.

The horologion has a rich history, dating back to the early centuries of Christianity. It evolved from the earlier "horai," which were collections of prayers and hymns arranged by the hours of the day. Over time, the horologion became a comprehensive liturgical book, incorporating texts from various sources and reflecting the theological and liturgical developments of the Eastern Orthodox Church.

Today, the horologion remains an important liturgical book in the Eastern Orthodox Church. It is used by monks and priests in their daily prayers and services, and is also used by laypeople in their personal devotions. The horologion is a testament to the rich liturgical tradition of the Eastern Orthodox Church and its commitment to the preservation and practice of ancient Christian worship.