sentences:  This feast is at the conclusion of the Week of Prayer for Christian Unity, an international Christian ecumenical observance that began in 1908, which is an octave (an eight-day observance) spanning from January 18 (observed in Anglican and Lutheran tradition as the Confession of Peter, and in the pre-1961 Roman Catholic Church as the feast of the Chair of Saint Peter at Rome) to January 25.In rural England, the day functioned much like groundhog day does in the modern-day United States.Supposed prophecies ranged from fine days predicting good harvests, to clouds and mists signifying pestilence and war in the coming months.