Feast Days* and Special Days *Trinity Sunday – the Sunday after Pentecost. Season of Creation – the Sundays after Labour Day to Thanksgiving. World Communion Sunday – the first Sunday of October. Thanksgiving Sunday – the Sunday before the second Monday of October. *Reformation Day – October 31: the day in 1517 when Martin Luther posted his 95 Theses. *All Saints’ Day – November 1: for Protestants, a general commemoration of those who have died. In the Celtic tradition, November 1 is Samhain, marking the end of harvest and beginning of winter. Remembrance Sunday – Sunday before Remembrance Day (November 11), honouring those in the armed forces who fought and died for their countries in times of war. *Reign of Christ – the last Sunday before Advent.