May 18
May 18 is the optional memorial of Saint John I, Pope and Martyr in the Church’s calendar for the United States.
On the calendar for May 18
Saint John I, Pope and Martyr
Optional MemorialRed
Saint profiles for May 18
May 18 in 2026, 2027 and 2028
A Sunday, a season or a greater feast can take the place of a memorial, so what is celebrated on this date changes from year to year.
Monday, May 18, 2026
Saint John I, Pope and Martyr
Optional MemorialRed
Readings for May 18, 2026Tuesday, May 18, 2027
Saint John I, Pope and Martyr
Optional MemorialRed
Readings for May 18, 2027Thursday, May 18, 2028
Saint John I, Pope and Martyr
Optional MemorialRed
Readings for May 18, 2028
Celebrations are from the General Roman Calendar and the proper calendar for the dioceses of the United States, computed as described on the liturgical calendar. Your diocese or religious community may keep its own proper celebrations on this date. Saint profiles are listed under every date their own feast-day line gives.
