ˈɔːl fˈɪkst kəmˌɛmɚɹˈeɪʃənz bᵻlˌoʊ ɑːɹ əbzˈɜːvd ˌɔn ˈeɪpɹəl twˈɛnti baɪ ˈiːstɚn ˈɔːɹθədˌɑːks tʃˈɜːtʃᵻz ɔnðɪ ˈoʊld kˈæləndɚ.
All fixed commemorations below are observed on April 20 by Eastern Orthodox Churches on the Old Calendar.