This is intended both to help the worshipper to follow the service at the Vigil for Sunday held on Saturday night and to assist the choir in chanting the service. It contains the unvarying texts and rubrics regarding the insertion of the variable parts.

This liturgical guide offers detailed rubrics for every Sunday and major feast of the year, as well as certain lesser feasts and lenten days. The calendar also provides a list of commemorated saints and appointed scripture readings for each day of the year. Follows the Orthodox Church calendar, sometimes referred to as the Julian or Old Calendar.