Optional Memorial
Saint Isidore, Bishop and Doctor of the Church
An optional memorial in the General Roman Calendar, kept on 4 April, in white. Next: Tuesday, 4 April 2028.
Its date and rank in each calendar
| Calendar | 2026 | 2027 | 2028 |
|---|---|---|---|
| General Roman Calendar | — | — | Tue 4 AprOptional Memorial |
| United States | — | — | Tue 4 AprOptional Memorial |
| England | — | — | Tue 4 AprOptional Memorial |
| Wales | — | — | Tue 4 AprOptional Memorial |
| Scotland | — | — | Tue 4 AprOptional Memorial |
| Ireland | — | — | Tue 4 AprOptional Memorial |
| Canada | — | — | Tue 4 AprOptional Memorial |
| Australia | — | — | Tue 4 AprOptional Memorial |
| Philippines | — | — | Tue 4 AprOptional 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
Commemorated on Tuesday, 4 April 2028, the same day.