Gweinyddir yr Iwcarist (neu'r Offeren) yn ddyddiol yn y Gadeirlan. Mae Capel Sant Dyfrig yng nghornel gogledd-ddwyrain y Gadeirlan.  Fe'i cysegrwyd i Sant Dyfrig, sant Cymreig o'r chweched ganrif ac un o nawdd-saint y Gadeirlan.  Mae'r capel bychan hwn yn hafan o hedd, wedi ei neilltuo ar gyfer gweddi dawel a myfyrdod.

The Holy Eucharist (or Mass) is celebrated daily at the Cathedral. The St David Chapel is situated on the north side of the Cathedral. Also known as the Welch Regiment Chapel, it was designed by George Pace and dedicated in 1956 to the memory of the fallen of all wars since the eighteenth century.

Lent Lunches begin on Tuesday 20 February, continuing a tradition that has been a practice in Llandaff for many years. A frugal lunch of soup, cheese, bread and butter followed by tea or coffee and some good conversation with friends, with proceeds going to charity to help those in need. The Lent Lunches will take place […]

Choral Evensong provides a space for prayer, reflection and thanksgiving. The choristers of the Cathedral School are usually in attendance, with visiting choirs occasionally.