Lectionary Preaching Workbook
Virtually all Lutheran calendars and lectionaries make provision for the celebration of Reformation Day, cognizant of the fact that it is necessary to move the festival from October 31st to the previous Sunday (unless, of course, October 31st falls on a Sunday). Most Lutheran churches continue to observe Reformation Sunday, despite the good and growing relations with the Roman Catholic Church, which have developed with the onset of the ecumenical movement following Vatican II.