Optional Memorial
Saint Peter Canisius, Priest and Doctor of the Church
An optional memorial in the General Roman Calendar, kept on 21 December, in white. Next: Monday, 21 December 2026.
Its date and rank in each calendar
| Calendar | 2026 | 2027 | 2028 |
|---|---|---|---|
| General Roman Calendar | Mon 21 DecOptional Memorial | Tue 21 DecOptional Memorial | Thu 21 DecOptional Memorial |
| United States | Mon 21 DecOptional Memorial | Tue 21 DecOptional Memorial | Thu 21 DecOptional Memorial |
| England | Mon 21 DecOptional Memorial | Tue 21 DecOptional Memorial | Thu 21 DecOptional Memorial |
| Wales | Mon 21 DecOptional Memorial | Tue 21 DecOptional Memorial | Thu 21 DecOptional Memorial |
| Scotland | Mon 21 DecOptional Memorial | Tue 21 DecOptional Memorial | Thu 21 DecOptional Memorial |
| Ireland | Mon 21 DecOptional Memorial | Tue 21 DecOptional Memorial | Thu 21 DecOptional Memorial |
| Canada | Mon 21 DecOptional Memorial | Tue 21 DecOptional Memorial | Thu 21 DecOptional Memorial |
| Australia | Mon 21 DecOptional Memorial | Tue 21 DecOptional Memorial | Thu 21 DecOptional Memorial |
| Philippines | Mon 21 DecOptional Memorial | Tue 21 DecOptional Memorial | Thu 21 DecOptional Memorial |
A dash: not kept that year in that calendar, or outranked by a Sunday or a greater feast. See the ranks of celebrations.
In the 1962 Missal
Kept as St. Peter Canisius, Class III, in white, on Monday, 27 April 2026: the older calendar keeps it on another day.