Optional Memorial
Saint Sylvester I, Pope
An optional memorial in the General Roman Calendar, kept on 31 December, in white. Next: Thursday, 31 December 2026.
Its date and rank in each calendar
| Calendar | 2026 | 2027 | 2028 |
|---|---|---|---|
| General Roman Calendar | Thu 31 DecOptional Memorial | Fri 31 DecOptional Memorial | — |
| United States | Thu 31 DecOptional Memorial | Fri 31 DecOptional Memorial | — |
| England | Thu 31 DecOptional Memorial | Fri 31 DecOptional Memorial | — |
| Wales | Thu 31 DecOptional Memorial | Fri 31 DecOptional Memorial | — |
| Scotland | Thu 31 DecOptional Memorial | Fri 31 DecOptional Memorial | — |
| Ireland | Thu 31 DecOptional Memorial | Fri 31 DecOptional Memorial | — |
| Canada | Thu 31 DecOptional Memorial | Fri 31 DecOptional Memorial | — |
| Australia | Thu 31 DecOptional Memorial | Fri 31 DecOptional Memorial | — |
| Philippines | Thu 31 DecOptional Memorial | Fri 31 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. Sylvester, Class III, in white, on Thursday, 26 November 2026: the older calendar keeps it on another day.